256521902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{8647}}^1$

素因数の和:8832

約数の個数: 32

約数和(自身を含む): 476539392

約数和(自身を除く): 220017490

約数列:

[1, 2, 7, 13, 14, 26, 91, 163, 182, 326, 1141, 2119, 2282, 4238, 8647, 14833, 17294, 29666, 60529, 112411, 121058, 224822, 786877, 1409461, 1573754, 2818922, 9866227, 18322993, 19732454, 36645986, 128260951, 256521902]

約数ペア:

[(1, 256521902), (2, 128260951), (7, 36645986), (13, 19732454), (14, 18322993), (26, 9866227), (91, 2818922), (163, 1573754), (182, 1409461), (326, 786877), (1141, 224822), (2119, 121058), (2282, 112411), (4238, 60529), (8647, 29666), (14833, 17294)]