66209912

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{20639}}^1$

素因数の和:21046

約数の個数: 16

約数和(自身を含む): 124459200

約数和(自身を除く): 58249288

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 20639, 41278, 82556, 165112, 8276239, 16552478, 33104956, 66209912]

約数ペア:

[(1, 66209912), (2, 33104956), (4, 16552478), (8, 8276239), (401, 165112), (802, 82556), (1604, 41278), (3208, 20639)]