71534725

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{9901}}^1$

素因数の和:9945

約数の個数: 18

約数和(自身を含む): 94237334

約数和(自身を除く): 22702609

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 9901, 49505, 168317, 247525, 841585, 2861389, 4207925, 14306945, 71534725]

約数ペア:

[(1, 71534725), (5, 14306945), (17, 4207925), (25, 2861389), (85, 841585), (289, 247525), (425, 168317), (1445, 49505), (7225, 9901)]