1907825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:161

約数の個数: 18

約数和(自身を含む): 2542806

約数和(自身を除く): 634981

約数列:

[1, 5, 17, 25, 67, 85, 335, 425, 1139, 1675, 4489, 5695, 22445, 28475, 76313, 112225, 381565, 1907825]

約数ペア:

[(1, 1907825), (5, 381565), (17, 112225), (25, 76313), (67, 28475), (85, 22445), (335, 5695), (425, 4489), (1139, 1675)]