89999696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 180845568

約数和(自身を除く): 90845872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 421, 431, 496, 842, 862, 1684, 1724, 3368, 3448, 6736, 6896, 13051, 13361, 26102, 26722, 52204, 53444, 104408, 106888, 181451, 208816, 213776, 362902, 725804, 1451608, 2903216, 5624981, 11249962, 22499924, 44999848, 89999696]

約数ペア:

[(1, 89999696), (2, 44999848), (4, 22499924), (8, 11249962), (16, 5624981), (31, 2903216), (62, 1451608), (124, 725804), (248, 362902), (421, 213776), (431, 208816), (496, 181451), (842, 106888), (862, 104408), (1684, 53444), (1724, 52204), (3368, 26722), (3448, 26102), (6736, 13361), (6896, 13051)]