548641990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4220323}}^1$

素因数の和:4220343

約数の個数: 16

約数和(自身を含む): 1063521648

約数和(自身を除く): 514879658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4220323, 8440646, 21101615, 42203230, 54864199, 109728398, 274320995, 548641990]

約数ペア:

[(1, 548641990), (2, 274320995), (5, 109728398), (10, 54864199), (13, 42203230), (26, 21101615), (65, 8440646), (130, 4220323)]