138733945

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{7757}}^1$

素因数の和:7849

約数の個数: 24

約数和(自身を含む): 196339464

約数和(自身を除く): 57605519

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 2555, 3577, 7757, 17885, 38785, 54299, 271495, 380093, 566261, 1900465, 2831305, 3963827, 19819135, 27746789, 138733945]

約数ペア:

[(1, 138733945), (5, 27746789), (7, 19819135), (35, 3963827), (49, 2831305), (73, 1900465), (245, 566261), (365, 380093), (511, 271495), (2555, 54299), (3577, 38785), (7757, 17885)]