91117225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 115896600

約数和(自身を除く): 24779375

約数列:

[1, 5, 25, 61, 149, 305, 401, 745, 1525, 2005, 3725, 9089, 10025, 24461, 45445, 59749, 122305, 227225, 298745, 611525, 1493725, 3644689, 18223445, 91117225]

約数ペア:

[(1, 91117225), (5, 18223445), (25, 3644689), (61, 1493725), (149, 611525), (305, 298745), (401, 227225), (745, 122305), (1525, 59749), (2005, 45445), (3725, 24461), (9089, 10025)]