1249925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 18

約数和(自身を含む): 1655958

約数和(自身を除く): 406033

約数列:

[1, 5, 17, 25, 85, 173, 289, 425, 865, 1445, 2941, 4325, 7225, 14705, 49997, 73525, 249985, 1249925]

約数ペア:

[(1, 1249925), (5, 249985), (17, 73525), (25, 49997), (85, 14705), (173, 7225), (289, 4325), (425, 2941), (865, 1445)]