28260008

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 36747352

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 37, 46, 56, 74, 92, 148, 161, 184, 259, 296, 322, 518, 593, 644, 851, 1036, 1186, 1288, 1702, 2072, 2372, 3404, 4151, 4744, 5957, 6808, 8302, 11914, 13639, 16604, 21941, 23828, 27278, 33208, 43882, 47656, 54556, 87764, 95473, 109112, 153587, 175528, 190946, 307174, 381892, 504643, 614348, 763784, 1009286, 1228696, 2018572, 3532501, 4037144, 7065002, 14130004, 28260008]

約数ペア:

[(1, 28260008), (2, 14130004), (4, 7065002), (7, 4037144), (8, 3532501), (14, 2018572), (23, 1228696), (28, 1009286), (37, 763784), (46, 614348), (56, 504643), (74, 381892), (92, 307174), (148, 190946), (161, 175528), (184, 153587), (259, 109112), (296, 95473), (322, 87764), (518, 54556), (593, 47656), (644, 43882), (851, 33208), (1036, 27278), (1186, 23828), (1288, 21941), (1702, 16604), (2072, 13639), (2372, 11914), (3404, 8302), (4151, 6808), (4744, 5957)]