28671575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 37363680

約数和(自身を除く): 8692105

約数列:

[1, 5, 25, 29, 71, 145, 355, 557, 725, 1775, 2059, 2785, 10295, 13925, 16153, 39547, 51475, 80765, 197735, 403825, 988675, 1146863, 5734315, 28671575]

約数ペア:

[(1, 28671575), (5, 5734315), (25, 1146863), (29, 988675), (71, 403825), (145, 197735), (355, 80765), (557, 51475), (725, 39547), (1775, 16153), (2059, 13925), (2785, 10295)]