81563998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{941}}^1\times {\mathrm{2281}}^1$

素因数の和:3243

約数の個数: 16

約数和(自身を含む): 128978640

約数和(自身を除く): 47414642

約数列:

[1, 2, 19, 38, 941, 1882, 2281, 4562, 17879, 35758, 43339, 86678, 2146421, 4292842, 40781999, 81563998]

約数ペア:

[(1, 81563998), (2, 40781999), (19, 4292842), (38, 2146421), (941, 86678), (1882, 43339), (2281, 35758), (4562, 17879)]