256475219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{256219}}^1$

素因数の和:256250

約数の個数: 16

約数和(自身を含む): 344359680

約数和(自身を除く): 87884461

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 256219, 1793533, 2818409, 3330847, 19728863, 23315929, 36639317, 256475219]

約数ペア:

[(1, 256475219), (7, 36639317), (11, 23315929), (13, 19728863), (77, 3330847), (91, 2818409), (143, 1793533), (1001, 256219)]