157872205

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{2381}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 192942000

約数和(自身を除く): 35069795

約数列:

[1, 5, 89, 149, 445, 745, 2381, 11905, 13261, 66305, 211909, 354769, 1059545, 1773845, 31574441, 157872205]

約数ペア:

[(1, 157872205), (5, 31574441), (89, 1773845), (149, 1059545), (445, 354769), (745, 211909), (2381, 66305), (11905, 13261)]