85557857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 109500096

約数和(自身を除く): 23942239

約数列:

[1, 7, 11, 41, 77, 287, 451, 661, 1681, 3157, 4627, 7271, 11767, 18491, 27101, 50897, 129437, 189707, 298111, 1111141, 2086777, 7777987, 12222551, 85557857]

約数ペア:

[(1, 85557857), (7, 12222551), (11, 7777987), (41, 2086777), (77, 1111141), (287, 298111), (451, 189707), (661, 129437), (1681, 50897), (3157, 27101), (4627, 18491), (7271, 11767)]