17888971225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{9883}}^1\times {\mathrm{4259}}^1$

素因数の和:14169

約数の個数: 24

約数和(自身を含む): 23495058720

約数和(自身を除く): 5606087495

約数列:

[1, 5, 17, 25, 85, 425, 4259, 9883, 21295, 49415, 72403, 106475, 168011, 247075, 362015, 840055, 1810075, 4200275, 42091697, 210458485, 715558849, 1052292425, 3577794245, 17888971225]

約数ペア:

[(1, 17888971225), (5, 3577794245), (17, 1052292425), (25, 715558849), (85, 210458485), (425, 42091697), (4259, 4200275), (9883, 1810075), (21295, 840055), (49415, 362015), (72403, 247075), (106475, 168011)]