7251725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 9889992

約数和(自身を除く): 2638267

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 421, 689, 1325, 2105, 3445, 5473, 10525, 17225, 22313, 27365, 111565, 136825, 290069, 557825, 1450345, 7251725]

約数ペア:

[(1, 7251725), (5, 1450345), (13, 557825), (25, 290069), (53, 136825), (65, 111565), (265, 27365), (325, 22313), (421, 17225), (689, 10525), (1325, 5473), (2105, 3445)]