1280279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 1720320

約数和(自身を除く): 440041

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 1279, 8953, 14069, 16627, 98483, 116389, 182897, 1280279]

約数ペア:

[(1, 1280279), (7, 182897), (11, 116389), (13, 98483), (77, 16627), (91, 14069), (143, 8953), (1001, 1279)]