51438725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 69183072

約数和(自身を除く): 17744347

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 971, 2119, 4075, 4855, 10595, 12623, 24275, 52975, 63115, 158273, 315575, 791365, 2057549, 3956825, 10287745, 51438725]

約数ペア:

[(1, 51438725), (5, 10287745), (13, 3956825), (25, 2057549), (65, 791365), (163, 315575), (325, 158273), (815, 63115), (971, 52975), (2119, 24275), (4075, 12623), (4855, 10595)]