201581261

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1\times {\mathrm{947}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 235892736

約数和(自身を除く): 34311475

約数列:

[1, 7, 47, 329, 647, 947, 4529, 6629, 30409, 44509, 212863, 311563, 612709, 4288963, 28797323, 201581261]

約数ペア:

[(1, 201581261), (7, 28797323), (47, 4288963), (329, 612709), (647, 311563), (947, 212863), (4529, 44509), (6629, 30409)]