31842590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244943}}^1$

素因数の和:244963

約数の個数: 16

約数和(自身を含む): 61725888

約数和(自身を除く): 29883298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 244943, 489886, 1224715, 2449430, 3184259, 6368518, 15921295, 31842590]

約数ペア:

[(1, 31842590), (2, 15921295), (5, 6368518), (10, 3184259), (13, 2449430), (26, 1224715), (65, 489886), (130, 244943)]