661628305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{56237}}^1$

素因数の和:56436

約数の個数: 16

約数和(自身を含む): 859766544

約数和(自身を除く): 198138239

約数列:

[1, 5, 13, 65, 181, 905, 2353, 11765, 56237, 281185, 731081, 3655405, 10178897, 50894485, 132325661, 661628305]

約数ペア:

[(1, 661628305), (5, 132325661), (13, 50894485), (65, 10178897), (181, 3655405), (905, 731081), (2353, 281185), (11765, 56237)]