638007906

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{7817}}^1$

素因数の和:8106

約数の個数: 32

約数和(自身を含む): 1302916608

約数和(自身を除く): 664908702

約数列:

[1, 2, 3, 6, 61, 122, 183, 223, 366, 446, 669, 1338, 7817, 13603, 15634, 23451, 27206, 40809, 46902, 81618, 476837, 953674, 1430511, 1743191, 2861022, 3486382, 5229573, 10459146, 106334651, 212669302, 319003953, 638007906]

約数ペア:

[(1, 638007906), (2, 319003953), (3, 212669302), (6, 106334651), (61, 10459146), (122, 5229573), (183, 3486382), (223, 2861022), (366, 1743191), (446, 1430511), (669, 953674), (1338, 476837), (7817, 81618), (13603, 46902), (15634, 40809), (23451, 27206)]