8889725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 12577320

約数和(自身を除く): 3687595

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 1609, 5525, 8045, 20917, 27353, 40225, 104585, 136765, 355589, 522925, 683825, 1777945, 8889725]

約数ペア:

[(1, 8889725), (5, 1777945), (13, 683825), (17, 522925), (25, 355589), (65, 136765), (85, 104585), (221, 40225), (325, 27353), (425, 20917), (1105, 8045), (1609, 5525)]