31318898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 53146800

約数和(自身を除く): 21827902

約数列:

[1, 2, 13, 26, 29, 58, 73, 146, 377, 569, 754, 949, 1138, 1898, 2117, 4234, 7397, 14794, 16501, 27521, 33002, 41537, 55042, 83074, 214513, 429026, 539981, 1079962, 1204573, 2409146, 15659449, 31318898]

約数ペア:

[(1, 31318898), (2, 15659449), (13, 2409146), (26, 1204573), (29, 1079962), (58, 539981), (73, 429026), (146, 214513), (377, 83074), (569, 55042), (754, 41537), (949, 33002), (1138, 27521), (1898, 16501), (2117, 14794), (4234, 7397)]