28906416

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 240

約数和(自身を含む): 105548800

約数和(自身を除く): 76642384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 79, 84, 88, 99, 108, 112, 121, 126, 132, 144, 154, 158, 168, 176, 189, 198, 216, 231, 237, 242, 252, 264, 297, 308, 316, 336, 363, 378, 396, 432, 462, 474, 484, 504, 528, 553, 594, 616, 632, 693, 711, 726, 756, 792, 847, 869, 924, 948, 968, 1008, 1089, 1106, 1188, 1232, 1264, 1386, 1422, 1452, 1512, 1584, 1659, 1694, 1738, 1848, 1896, 1936, 2079, 2133, 2178, 2212, 2376, 2541, 2607, 2772, 2844, 2904, 3024, 3267, 3318, 3388, 3476, 3696, 3792, 4158, 4266, 4356, 4424, 4752, 4977, 5082, 5214, 5544, 5688, 5808, 6083, 6534, 6636, 6776, 6952, 7623, 7821, 8316, 8532, 8712, 8848, 9559, 9954, 10164, 10428, 11088, 11376, 12166, 13068, 13272, 13552, 13904, 14931, 15246, 15642, 16632, 17064, 17424, 18249, 19118, 19908, 20328, 20856, 22869, 23463, 24332, 26136, 26544, 28677, 29862, 30492, 31284, 33264, 34128, 36498, 38236, 39816, 40656, 41712, 45738, 46926, 48664, 52272, 54747, 57354, 59724, 60984, 62568, 66913, 72996, 76472, 79632, 86031, 91476, 93852, 97328, 109494, 114708, 119448, 121968, 125136, 133826, 145992, 152944, 164241, 172062, 182952, 187704, 200739, 218988, 229416, 238896, 258093, 267652, 291984, 328482, 344124, 365904, 375408, 401478, 437976, 458832, 516186, 535304, 602217, 656964, 688248, 802956, 875952, 1032372, 1070608, 1204434, 1313928, 1376496, 1605912, 1806651, 2064744, 2408868, 2627856, 3211824, 3613302, 4129488, 4817736, 7226604, 9635472, 14453208, 28906416]

約数ペア:

[(1, 28906416), (2, 14453208), (3, 9635472), (4, 7226604), (6, 4817736), (7, 4129488), (8, 3613302), (9, 3211824), (11, 2627856), (12, 2408868), (14, 2064744), (16, 1806651), (18, 1605912), (21, 1376496), (22, 1313928), (24, 1204434), (27, 1070608), (28, 1032372), (33, 875952), (36, 802956), (42, 688248), (44, 656964), (48, 602217), (54, 535304), (56, 516186), (63, 458832), (66, 437976), (72, 401478), (77, 375408), (79, 365904), (84, 344124), (88, 328482), (99, 291984), (108, 267652), (112, 258093), (121, 238896), (126, 229416), (132, 218988), (144, 200739), (154, 187704), (158, 182952), (168, 172062), (176, 164241), (189, 152944), (198, 145992), (216, 133826), (231, 125136), (237, 121968), (242, 119448), (252, 114708), (264, 109494), (297, 97328), (308, 93852), (316, 91476), (336, 86031), (363, 79632), (378, 76472), (396, 72996), (432, 66913), (462, 62568), (474, 60984), (484, 59724), (504, 57354), (528, 54747), (553, 52272), (594, 48664), (616, 46926), (632, 45738), (693, 41712), (711, 40656), (726, 39816), (756, 38236), (792, 36498), (847, 34128), (869, 33264), (924, 31284), (948, 30492), (968, 29862), (1008, 28677), (1089, 26544), (1106, 26136), (1188, 24332), (1232, 23463), (1264, 22869), (1386, 20856), (1422, 20328), (1452, 19908), (1512, 19118), (1584, 18249), (1659, 17424), (1694, 17064), (1738, 16632), (1848, 15642), (1896, 15246), (1936, 14931), (2079, 13904), (2133, 13552), (2178, 13272), (2212, 13068), (2376, 12166), (2541, 11376), (2607, 11088), (2772, 10428), (2844, 10164), (2904, 9954), (3024, 9559), (3267, 8848), (3318, 8712), (3388, 8532), (3476, 8316), (3696, 7821), (3792, 7623), (4158, 6952), (4266, 6776), (4356, 6636), (4424, 6534), (4752, 6083), (4977, 5808), (5082, 5688), (5214, 5544)]