31305430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240811}}^1$

素因数の和:240831

約数の個数: 16

約数和(自身を含む): 60684624

約数和(自身を除く): 29379194

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 240811, 481622, 1204055, 2408110, 3130543, 6261086, 15652715, 31305430]

約数ペア:

[(1, 31305430), (2, 15652715), (5, 6261086), (10, 3130543), (13, 2408110), (26, 1204055), (65, 481622), (130, 240811)]