2101802975

素因数分解:

$5^2\times {\mathrm{151}}^1\times {\mathrm{556769}}^1$

素因数の和:556930

約数の個数: 12

約数和(自身を含む): 2623500240

約数和(自身を除く): 521697265

約数列:

[1, 5, 25, 151, 755, 3775, 556769, 2783845, 13919225, 84072119, 420360595, 2101802975]

約数ペア:

[(1, 2101802975), (5, 420360595), (25, 84072119), (151, 13919225), (755, 2783845), (3775, 556769)]