2021958725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{8389}}^1$

素因数の和:8741

約数の個数: 24

約数和(自身を含む): 2596738560

約数和(自身を除く): 574779835

約数列:

[1, 5, 25, 31, 155, 311, 775, 1555, 7775, 8389, 9641, 41945, 48205, 209725, 241025, 260059, 1300295, 2608979, 6501475, 13044895, 65224475, 80878349, 404391745, 2021958725]

約数ペア:

[(1, 2021958725), (5, 404391745), (25, 80878349), (31, 65224475), (155, 13044895), (311, 6501475), (775, 2608979), (1555, 1300295), (7775, 260059), (8389, 241025), (9641, 209725), (41945, 48205)]