81274808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{327721}}^1$

素因数の和:327758

約数の個数: 16

約数和(自身を含む): 157306560

約数和(自身を除く): 76031752

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 327721, 655442, 1310884, 2621768, 10159351, 20318702, 40637404, 81274808]

約数ペア:

[(1, 81274808), (2, 40637404), (4, 20318702), (8, 10159351), (31, 2621768), (62, 1310884), (124, 655442), (248, 327721)]