778825060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2995481}}^1$

素因数の和:2995503

約数の個数: 24

約数和(自身を含む): 1761343416

約数和(自身を除く): 982518356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2995481, 5990962, 11981924, 14977405, 29954810, 38941253, 59909620, 77882506, 155765012, 194706265, 389412530, 778825060]

約数ペア:

[(1, 778825060), (2, 389412530), (4, 194706265), (5, 155765012), (10, 77882506), (13, 59909620), (20, 38941253), (26, 29954810), (52, 14977405), (65, 11981924), (130, 5990962), (260, 2995481)]