81283024

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{12421}}^1$

素因数の和:12838

約数の個数: 20

約数和(自身を含む): 157883620

約数和(自身を除く): 76600596

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 12421, 24842, 49684, 99368, 198736, 5080189, 10160378, 20320756, 40641512, 81283024]

約数ペア:

[(1, 81283024), (2, 40641512), (4, 20320756), (8, 10160378), (16, 5080189), (409, 198736), (818, 99368), (1636, 49684), (3272, 24842), (6544, 12421)]