129215510

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{47681}}^1$

素因数の和:47959

約数の個数: 16

約数和(自身を含む): 233451072

約数和(自身を除く): 104235562

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 47681, 95362, 238405, 476810, 12921551, 25843102, 64607755, 129215510]

約数ペア:

[(1, 129215510), (2, 64607755), (5, 25843102), (10, 12921551), (271, 476810), (542, 238405), (1355, 95362), (2710, 47681)]