205708415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{220009}}^1$

素因数の和:220042

約数の個数: 16

約数和(自身を含む): 285132960

約数和(自身を除く): 79424545

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 220009, 1100045, 2420099, 3740153, 12100495, 18700765, 41141683, 205708415]

約数ペア:

[(1, 205708415), (5, 41141683), (11, 18700765), (17, 12100495), (55, 3740153), (85, 2420099), (187, 1100045), (935, 220009)]