31216510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2203}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 61094880

約数和(自身を除く): 29878370

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2203, 2834, 4406, 7085, 11015, 14170, 22030, 28639, 57278, 143195, 240127, 286390, 480254, 1200635, 2401270, 3121651, 6243302, 15608255, 31216510]

約数ペア:

[(1, 31216510), (2, 15608255), (5, 6243302), (10, 3121651), (13, 2401270), (26, 1200635), (65, 480254), (109, 286390), (130, 240127), (218, 143195), (545, 57278), (1090, 28639), (1417, 22030), (2203, 14170), (2834, 11015), (4406, 7085)]