646079590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4969843}}^1$

素因数の和:4969863

約数の個数: 16

約数和(自身を含む): 1252400688

約数和(自身を除く): 606321098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4969843, 9939686, 24849215, 49698430, 64607959, 129215918, 323039795, 646079590]

約数ペア:

[(1, 646079590), (2, 323039795), (5, 129215918), (10, 64607959), (13, 49698430), (26, 24849215), (65, 9939686), (130, 4969843)]