66720478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{178397}}^1$

素因数の和:178427

約数の個数: 16

約数和(自身を含む): 115601904

約数和(自身を除く): 48881426

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 178397, 356794, 1962367, 3032749, 3924734, 6065498, 33360239, 66720478]

約数ペア:

[(1, 66720478), (2, 33360239), (11, 6065498), (17, 3924734), (22, 3032749), (34, 1962367), (187, 356794), (374, 178397)]