201581495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1\times {\mathrm{2531}}^1$

素因数の和:3490

約数の個数: 16

約数和(自身を含む): 256501728

約数和(自身を除く): 54920233

約数列:

[1, 5, 17, 85, 937, 2531, 4685, 12655, 15929, 43027, 79645, 215135, 2371547, 11857735, 40316299, 201581495]

約数ペア:

[(1, 201581495), (5, 40316299), (17, 11857735), (85, 2371547), (937, 215135), (2531, 79645), (4685, 43027), (12655, 15929)]