898307525

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{2963}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 1137156384

約数和(自身を除く): 238848859

約数列:

[1, 5, 25, 67, 181, 335, 905, 1675, 2963, 4525, 12127, 14815, 60635, 74075, 198521, 303175, 536303, 992605, 2681515, 4963025, 13407575, 35932301, 179661505, 898307525]

約数ペア:

[(1, 898307525), (5, 179661505), (25, 35932301), (67, 13407575), (181, 4963025), (335, 2681515), (905, 992605), (1675, 536303), (2963, 303175), (4525, 198521), (12127, 74075), (14815, 60635)]