66485764

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{405401}}^1$

素因数の和:405446

約数の個数: 12

約数和(自身を含む): 119188188

約数和(自身を除く): 52702424

約数列:

[1, 2, 4, 41, 82, 164, 405401, 810802, 1621604, 16621441, 33242882, 66485764]

約数ペア:

[(1, 66485764), (2, 33242882), (4, 16621441), (41, 1621604), (82, 810802), (164, 405401)]