890993474

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{4111}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 1552559616

約数和(自身を除く): 661566142

約数列:

[1, 2, 7, 14, 113, 137, 226, 274, 791, 959, 1582, 1918, 4111, 8222, 15481, 28777, 30962, 57554, 108367, 216734, 464543, 563207, 929086, 1126414, 3251801, 3942449, 6503602, 7884898, 63642391, 127284782, 445496737, 890993474]

約数ペア:

[(1, 890993474), (2, 445496737), (7, 127284782), (14, 63642391), (113, 7884898), (137, 6503602), (226, 3942449), (274, 3251801), (791, 1126414), (959, 929086), (1582, 563207), (1918, 464543), (4111, 216734), (8222, 108367), (15481, 57554), (28777, 30962)]