81303164

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{495751}}^1$

素因数の和:495796

約数の個数: 12

約数和(自身を含む): 145751088

約数和(自身を除く): 64447924

約数列:

[1, 2, 4, 41, 82, 164, 495751, 991502, 1983004, 20325791, 40651582, 81303164]

約数ペア:

[(1, 81303164), (2, 40651582), (4, 20325791), (41, 1983004), (82, 991502), (164, 495751)]