2560658

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:353

約数の個数: 16

約数和(自身を含む): 3958080

約数和(自身を除く): 1397422

約数列:

[1, 2, 61, 122, 139, 151, 278, 302, 8479, 9211, 16958, 18422, 20989, 41978, 1280329, 2560658]

約数ペア:

[(1, 2560658), (2, 1280329), (61, 41978), (122, 20989), (139, 18422), (151, 16958), (278, 9211), (302, 8479)]