80631518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{20249}}^1$

素因数の和:20443

約数の個数: 16

約数和(自身を含む): 132678000

約数和(自身を除く): 52046482

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 20249, 40498, 222739, 445478, 3665069, 7330138, 40315759, 80631518]

約数ペア:

[(1, 80631518), (2, 40315759), (11, 7330138), (22, 3665069), (181, 445478), (362, 222739), (1991, 40498), (3982, 20249)]