248279980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{954923}}^1$

素因数の和:954945

約数の個数: 24

約数和(自身を含む): 561495312

約数和(自身を除く): 313215332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 954923, 1909846, 3819692, 4774615, 9549230, 12413999, 19098460, 24827998, 49655996, 62069995, 124139990, 248279980]

約数ペア:

[(1, 248279980), (2, 124139990), (4, 62069995), (5, 49655996), (10, 24827998), (13, 19098460), (20, 12413999), (26, 9549230), (52, 4774615), (65, 3819692), (130, 1909846), (260, 954923)]