71956090

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{21739}}^1$

素因数の和:22077

約数の個数: 16

約数和(自身を含む): 129918240

約数和(自身を除く): 57962150

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 21739, 43478, 108695, 217390, 7195609, 14391218, 35978045, 71956090]

約数ペア:

[(1, 71956090), (2, 35978045), (5, 14391218), (10, 7195609), (331, 217390), (662, 108695), (1655, 43478), (3310, 21739)]