1285485796

素因数分解:

$2^2\times 7^4\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1146

約数の個数: 60

約数和(自身を含む): 2646239148

約数和(自身を除く): 1360753352

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 343, 548, 686, 959, 977, 1372, 1918, 1954, 2401, 3836, 3908, 4802, 6713, 6839, 9604, 13426, 13678, 26852, 27356, 46991, 47873, 93982, 95746, 133849, 187964, 191492, 267698, 328937, 335111, 535396, 657874, 670222, 936943, 1315748, 1340444, 1873886, 2345777, 3747772, 4691554, 6558601, 9383108, 13117202, 26234404, 45910207, 91820414, 183640828, 321371449, 642742898, 1285485796]

約数ペア:

[(1, 1285485796), (2, 642742898), (4, 321371449), (7, 183640828), (14, 91820414), (28, 45910207), (49, 26234404), (98, 13117202), (137, 9383108), (196, 6558601), (274, 4691554), (343, 3747772), (548, 2345777), (686, 1873886), (959, 1340444), (977, 1315748), (1372, 936943), (1918, 670222), (1954, 657874), (2401, 535396), (3836, 335111), (3908, 328937), (4802, 267698), (6713, 191492), (6839, 187964), (9604, 133849), (13426, 95746), (13678, 93982), (26852, 47873), (27356, 46991)]