39972578

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8161}}^1$

素因数の和:8273

約数の個数: 16

約数和(自身を含む): 62684160

約数和(自身を除く): 22711582

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4898, 8161, 16322, 252991, 505982, 644719, 1289438, 19986289, 39972578]

約数ペア:

[(1, 39972578), (2, 19986289), (31, 1289438), (62, 644719), (79, 505982), (158, 252991), (2449, 16322), (4898, 8161)]