88891432

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 196300800

約数和(自身を除く): 107409368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 79, 142, 158, 283, 284, 316, 497, 553, 566, 568, 632, 994, 1106, 1132, 1981, 1988, 2212, 2264, 3962, 3976, 4424, 5609, 7924, 11218, 15848, 20093, 22357, 22436, 39263, 40186, 44714, 44872, 78526, 80372, 89428, 140651, 156499, 157052, 160744, 178856, 281302, 312998, 314104, 562604, 625996, 1125208, 1251992, 1587347, 3174694, 6349388, 11111429, 12698776, 22222858, 44445716, 88891432]

約数ペア:

[(1, 88891432), (2, 44445716), (4, 22222858), (7, 12698776), (8, 11111429), (14, 6349388), (28, 3174694), (56, 1587347), (71, 1251992), (79, 1125208), (142, 625996), (158, 562604), (283, 314104), (284, 312998), (316, 281302), (497, 178856), (553, 160744), (566, 157052), (568, 156499), (632, 140651), (994, 89428), (1106, 80372), (1132, 78526), (1981, 44872), (1988, 44714), (2212, 40186), (2264, 39263), (3962, 22436), (3976, 22357), (4424, 20093), (5609, 15848), (7924, 11218)]