399423489025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{2301821}}^1$

素因数の和:2302473

約数の個数: 24

約数和(自身を含む): 541167559488

約数和(自身を除く): 141744070463

約数列:

[1, 5, 11, 25, 55, 275, 631, 3155, 6941, 15775, 34705, 173525, 2301821, 11509105, 25320031, 57545525, 126600155, 633000775, 1452449051, 7262245255, 15976939561, 36311226275, 79884697805, 399423489025]

約数ペア:

[(1, 399423489025), (5, 79884697805), (11, 36311226275), (25, 15976939561), (55, 7262245255), (275, 1452449051), (631, 633000775), (3155, 126600155), (6941, 57545525), (15775, 25320031), (34705, 11509105), (173525, 2301821)]