215520815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1\times {\mathrm{2503}}^1$

素因数の和:3538

約数の個数: 16

約数和(自身を含む): 274218048

約数和(自身を除く): 58697233

約数列:

[1, 5, 17, 85, 1013, 2503, 5065, 12515, 17221, 42551, 86105, 212755, 2535539, 12677695, 43104163, 215520815]

約数ペア:

[(1, 215520815), (5, 43104163), (17, 12677695), (85, 2535539), (1013, 212755), (2503, 86105), (5065, 42551), (12515, 17221)]