12666978448

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{25538263}}^1$

素因数の和:25538302

約数の個数: 20

約数和(自身を含む): 25333957888

約数和(自身を除く): 12666979440

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 25538263, 51076526, 102153052, 204306104, 408612208, 791686153, 1583372306, 3166744612, 6333489224, 12666978448]

約数ペア:

[(1, 12666978448), (2, 6333489224), (4, 3166744612), (8, 1583372306), (16, 791686153), (31, 408612208), (62, 204306104), (124, 102153052), (248, 51076526), (496, 25538263)]