156621398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{19681}}^1$

素因数の和:19879

約数の個数: 16

約数和(自身を含む): 246576096

約数和(自身を除く): 89954698

約数列:

[1, 2, 23, 46, 173, 346, 3979, 7958, 19681, 39362, 452663, 905326, 3404813, 6809626, 78310699, 156621398]

約数ペア:

[(1, 156621398), (2, 78310699), (23, 6809626), (46, 3404813), (173, 905326), (346, 452663), (3979, 39362), (7958, 19681)]