28639968

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 67160352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 32, 34, 42, 46, 48, 51, 56, 68, 69, 84, 92, 96, 102, 109, 112, 119, 136, 138, 161, 168, 184, 204, 218, 224, 238, 272, 276, 322, 327, 336, 357, 368, 391, 408, 436, 476, 483, 544, 552, 644, 654, 672, 714, 736, 763, 782, 816, 872, 952, 966, 1104, 1173, 1288, 1308, 1428, 1526, 1564, 1632, 1744, 1853, 1904, 1932, 2208, 2289, 2346, 2507, 2576, 2616, 2737, 2856, 3052, 3128, 3488, 3706, 3808, 3864, 4578, 4692, 5014, 5152, 5232, 5474, 5559, 5712, 6104, 6256, 7412, 7521, 7728, 8211, 9156, 9384, 10028, 10464, 10948, 11118, 11424, 12208, 12512, 12971, 14824, 15042, 15456, 16422, 17549, 18312, 18768, 20056, 21896, 22236, 24416, 25942, 29648, 30084, 32844, 35098, 36624, 37536, 38913, 40112, 42619, 43792, 44472, 51884, 52647, 59296, 60168, 65688, 70196, 73248, 77826, 80224, 85238, 87584, 88944, 103768, 105294, 120336, 127857, 131376, 140392, 155652, 170476, 177888, 207536, 210588, 240672, 255714, 262752, 280784, 298333, 311304, 340952, 415072, 421176, 511428, 561568, 596666, 622608, 681904, 842352, 894999, 1022856, 1193332, 1245216, 1363808, 1684704, 1789998, 2045712, 2386664, 3579996, 4091424, 4773328, 7159992, 9546656, 14319984, 28639968]

約数ペア:

[(1, 28639968), (2, 14319984), (3, 9546656), (4, 7159992), (6, 4773328), (7, 4091424), (8, 3579996), (12, 2386664), (14, 2045712), (16, 1789998), (17, 1684704), (21, 1363808), (23, 1245216), (24, 1193332), (28, 1022856), (32, 894999), (34, 842352), (42, 681904), (46, 622608), (48, 596666), (51, 561568), (56, 511428), (68, 421176), (69, 415072), (84, 340952), (92, 311304), (96, 298333), (102, 280784), (109, 262752), (112, 255714), (119, 240672), (136, 210588), (138, 207536), (161, 177888), (168, 170476), (184, 155652), (204, 140392), (218, 131376), (224, 127857), (238, 120336), (272, 105294), (276, 103768), (322, 88944), (327, 87584), (336, 85238), (357, 80224), (368, 77826), (391, 73248), (408, 70196), (436, 65688), (476, 60168), (483, 59296), (544, 52647), (552, 51884), (644, 44472), (654, 43792), (672, 42619), (714, 40112), (736, 38913), (763, 37536), (782, 36624), (816, 35098), (872, 32844), (952, 30084), (966, 29648), (1104, 25942), (1173, 24416), (1288, 22236), (1308, 21896), (1428, 20056), (1526, 18768), (1564, 18312), (1632, 17549), (1744, 16422), (1853, 15456), (1904, 15042), (1932, 14824), (2208, 12971), (2289, 12512), (2346, 12208), (2507, 11424), (2576, 11118), (2616, 10948), (2737, 10464), (2856, 10028), (3052, 9384), (3128, 9156), (3488, 8211), (3706, 7728), (3808, 7521), (3864, 7412), (4578, 6256), (4692, 6104), (5014, 5712), (5152, 5559), (5232, 5474)]