81311818

素因数分解:

$2^1\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{3697}}^1$

素因数の和:5277

約数の個数: 16

約数和(自身を含む): 139518144

約数和(自身を除く): 58206326

約数列:

[1, 2, 7, 14, 1571, 3142, 3697, 7394, 10997, 21994, 25879, 51758, 5807987, 11615974, 40655909, 81311818]

約数ペア:

[(1, 81311818), (2, 40655909), (7, 11615974), (14, 5807987), (1571, 51758), (3142, 25879), (3697, 21994), (7394, 10997)]