66221005

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 80564400

約数和(自身を除く): 14343395

約数列:

[1, 5, 137, 277, 349, 685, 1385, 1745, 37949, 47813, 96673, 189745, 239065, 483365, 13244201, 66221005]

約数ペア:

[(1, 66221005), (5, 13244201), (137, 483365), (277, 239065), (349, 189745), (685, 96673), (1385, 47813), (1745, 37949)]