646003670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{32909}}^1$

素因数の和:33080

約数の個数: 32

約数和(自身を含む): 1260584640

約数和(自身を除く): 614580970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 3926, 9815, 19630, 32909, 65818, 164545, 329090, 427817, 855634, 2139085, 4278170, 4969259, 9938518, 24846295, 49692590, 64600367, 129200734, 323001835, 646003670]

約数ペア:

[(1, 646003670), (2, 323001835), (5, 129200734), (10, 64600367), (13, 49692590), (26, 24846295), (65, 9938518), (130, 4969259), (151, 4278170), (302, 2139085), (755, 855634), (1510, 427817), (1963, 329090), (3926, 164545), (9815, 65818), (19630, 32909)]