66668656

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{10391}}^1$

素因数の和:10800

約数の個数: 20

約数和(自身を含む): 129505104

約数和(自身を除く): 62836448

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 10391, 20782, 41564, 83128, 166256, 4166791, 8333582, 16667164, 33334328, 66668656]

約数ペア:

[(1, 66668656), (2, 33334328), (4, 16667164), (8, 8333582), (16, 4166791), (401, 166256), (802, 83128), (1604, 41564), (3208, 20782), (6416, 10391)]