1994557825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197971}}^1$

素因数の和:198025

約数の個数: 24

約数和(自身を含む): 2749435136

約数和(自身を除く): 754877311

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 197971, 989855, 2573623, 4949275, 6137101, 12868115, 30685505, 64340575, 79782313, 153427525, 398911565, 1994557825]

約数ペア:

[(1, 1994557825), (5, 398911565), (13, 153427525), (25, 79782313), (31, 64340575), (65, 30685505), (155, 12868115), (325, 6137101), (403, 4949275), (775, 2573623), (2015, 989855), (10075, 197971)]