5181995

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 7794864

約数和(自身を除く): 2612869

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 1627, 3185, 8135, 11389, 21151, 56945, 79723, 105755, 148057, 398615, 740285, 1036399, 5181995]

約数ペア:

[(1, 5181995), (5, 1036399), (7, 740285), (13, 398615), (35, 148057), (49, 105755), (65, 79723), (91, 56945), (245, 21151), (455, 11389), (637, 8135), (1627, 3185)]