2158325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 2994600

約数和(自身を除く): 836275

約数列:

[1, 5, 13, 25, 29, 65, 145, 229, 325, 377, 725, 1145, 1885, 2977, 5725, 6641, 9425, 14885, 33205, 74425, 86333, 166025, 431665, 2158325]

約数ペア:

[(1, 2158325), (5, 431665), (13, 166025), (25, 86333), (29, 74425), (65, 33205), (145, 14885), (229, 9425), (325, 6641), (377, 5725), (725, 2977), (1145, 1885)]