257661503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{12641}}^1$

素因数の和:12778

約数の個数: 16

約数和(自身を含む): 300373920

約数和(自身を除く): 42712417

約数列:

[1, 11, 17, 109, 187, 1199, 1853, 12641, 20383, 139051, 214897, 1377869, 2363867, 15156559, 23423773, 257661503]

約数ペア:

[(1, 257661503), (11, 23423773), (17, 15156559), (109, 2363867), (187, 1377869), (1199, 214897), (1853, 139051), (12641, 20383)]