215699965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{54401}}^1$

素因数の和:54480

約数の個数: 16

約数和(自身を含む): 283325616

約数和(自身を除く): 67625651

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 54401, 272005, 707213, 3318461, 3536065, 16592305, 43139993, 215699965]

約数ペア:

[(1, 215699965), (5, 43139993), (13, 16592305), (61, 3536065), (65, 3318461), (305, 707213), (793, 272005), (3965, 54401)]