201522505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{20981}}^1$

素因数の和:21116

約数の個数: 16

約数和(自身を含む): 258330384

約数和(自身を除く): 56807879

約数列:

[1, 5, 17, 85, 113, 565, 1921, 9605, 20981, 104905, 356677, 1783385, 2370853, 11854265, 40304501, 201522505]

約数ペア:

[(1, 201522505), (5, 40304501), (17, 11854265), (85, 2370853), (113, 1783385), (565, 356677), (1921, 104905), (9605, 20981)]