1279421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 1572480

約数和(自身を除く): 293059

約数列:

[1, 11, 13, 23, 143, 253, 299, 389, 3289, 4279, 5057, 8947, 55627, 98417, 116311, 1279421]

約数ペア:

[(1, 1279421), (11, 116311), (13, 98417), (23, 55627), (143, 8947), (253, 5057), (299, 4279), (389, 3289)]