81630538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{8609}}^1$

素因数の和:9053

約数の個数: 16

約数和(自身を含む): 133902720

約数和(自身を除く): 52272182

約数列:

[1, 2, 11, 22, 431, 862, 4741, 8609, 9482, 17218, 94699, 189398, 3710479, 7420958, 40815269, 81630538]

約数ペア:

[(1, 81630538), (2, 40815269), (11, 7420958), (22, 3710479), (431, 189398), (862, 94699), (4741, 17218), (8609, 9482)]