257863318

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1\times {\mathrm{1061}}^1$

素因数の和:2087

約数の個数: 16

約数和(自身を含む): 390425184

約数和(自身を除く): 132561866

約数列:

[1, 2, 137, 274, 887, 1061, 1774, 2122, 121519, 145357, 243038, 290714, 941107, 1882214, 128931659, 257863318]

約数ペア:

[(1, 257863318), (2, 128931659), (137, 1882214), (274, 941107), (887, 290714), (1061, 243038), (1774, 145357), (2122, 121519)]