66416884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{404981}}^1$

素因数の和:405026

約数の個数: 12

約数和(自身を含む): 119064708

約数和(自身を除く): 52647824

約数列:

[1, 2, 4, 41, 82, 164, 404981, 809962, 1619924, 16604221, 33208442, 66416884]

約数ペア:

[(1, 66416884), (2, 33208442), (4, 16604221), (41, 1619924), (82, 809962), (164, 404981)]