1978259976

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{983}}^1$

素因数の和:1038

約数の個数: 256

約数和(自身を含む): 6914764800

約数和(自身を除く): 4936504824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 121, 126, 132, 154, 168, 189, 198, 216, 231, 242, 252, 264, 297, 308, 363, 378, 396, 462, 484, 504, 594, 616, 693, 726, 756, 792, 847, 924, 968, 983, 1089, 1188, 1331, 1386, 1452, 1512, 1694, 1848, 1966, 2079, 2178, 2376, 2541, 2662, 2772, 2904, 2949, 3267, 3388, 3932, 3993, 4158, 4356, 5082, 5324, 5544, 5898, 6534, 6776, 6881, 7623, 7864, 7986, 8316, 8712, 8847, 9317, 10164, 10648, 10813, 11796, 11979, 13068, 13762, 15246, 15972, 16632, 17694, 18634, 20328, 20643, 21626, 22869, 23592, 23958, 26136, 26541, 27524, 27951, 30492, 31944, 32439, 35388, 35937, 37268, 41286, 43252, 45738, 47916, 53082, 55048, 55902, 60984, 61929, 64878, 70776, 71874, 74536, 75691, 82572, 83853, 86504, 91476, 95832, 97317, 106164, 111804, 118943, 123858, 129756, 143748, 151382, 165144, 167706, 182952, 185787, 194634, 212328, 223608, 227073, 237886, 247716, 251559, 259512, 287496, 291951, 302764, 335412, 356829, 371574, 389268, 454146, 475772, 495432, 503118, 583902, 605528, 670824, 681219, 713658, 743148, 778536, 832601, 908292, 951544, 1006236, 1070487, 1167804, 1308373, 1362438, 1427316, 1486296, 1665202, 1816584, 2012472, 2043657, 2140974, 2335608, 2497803, 2616746, 2724876, 2854632, 3211461, 3330404, 3925119, 4087314, 4281948, 4995606, 5233492, 5449752, 6422922, 6660808, 7493409, 7850238, 8174628, 8563896, 9158611, 9991212, 10466984, 11775357, 12845844, 14986818, 15700476, 16349256, 18317222, 19982424, 22480227, 23550714, 25691688, 27475833, 29973636, 31400952, 35326071, 36634444, 44960454, 47101428, 54951666, 59947272, 70652142, 73268888, 82427499, 89920908, 94202856, 109903332, 141304284, 164854998, 179841816, 219806664, 247282497, 282608568, 329709996, 494564994, 659419992, 989129988, 1978259976]

約数ペア:

[(1, 1978259976), (2, 989129988), (3, 659419992), (4, 494564994), (6, 329709996), (7, 282608568), (8, 247282497), (9, 219806664), (11, 179841816), (12, 164854998), (14, 141304284), (18, 109903332), (21, 94202856), (22, 89920908), (24, 82427499), (27, 73268888), (28, 70652142), (33, 59947272), (36, 54951666), (42, 47101428), (44, 44960454), (54, 36634444), (56, 35326071), (63, 31400952), (66, 29973636), (72, 27475833), (77, 25691688), (84, 23550714), (88, 22480227), (99, 19982424), (108, 18317222), (121, 16349256), (126, 15700476), (132, 14986818), (154, 12845844), (168, 11775357), (189, 10466984), (198, 9991212), (216, 9158611), (231, 8563896), (242, 8174628), (252, 7850238), (264, 7493409), (297, 6660808), (308, 6422922), (363, 5449752), (378, 5233492), (396, 4995606), (462, 4281948), (484, 4087314), (504, 3925119), (594, 3330404), (616, 3211461), (693, 2854632), (726, 2724876), (756, 2616746), (792, 2497803), (847, 2335608), (924, 2140974), (968, 2043657), (983, 2012472), (1089, 1816584), (1188, 1665202), (1331, 1486296), (1386, 1427316), (1452, 1362438), (1512, 1308373), (1694, 1167804), (1848, 1070487), (1966, 1006236), (2079, 951544), (2178, 908292), (2376, 832601), (2541, 778536), (2662, 743148), (2772, 713658), (2904, 681219), (2949, 670824), (3267, 605528), (3388, 583902), (3932, 503118), (3993, 495432), (4158, 475772), (4356, 454146), (5082, 389268), (5324, 371574), (5544, 356829), (5898, 335412), (6534, 302764), (6776, 291951), (6881, 287496), (7623, 259512), (7864, 251559), (7986, 247716), (8316, 237886), (8712, 227073), (8847, 223608), (9317, 212328), (10164, 194634), (10648, 185787), (10813, 182952), (11796, 167706), (11979, 165144), (13068, 151382), (13762, 143748), (15246, 129756), (15972, 123858), (16632, 118943), (17694, 111804), (18634, 106164), (20328, 97317), (20643, 95832), (21626, 91476), (22869, 86504), (23592, 83853), (23958, 82572), (26136, 75691), (26541, 74536), (27524, 71874), (27951, 70776), (30492, 64878), (31944, 61929), (32439, 60984), (35388, 55902), (35937, 55048), (37268, 53082), (41286, 47916), (43252, 45738)]