123728635

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{3559}}^1$

素因数の和:3990

約数の個数: 16

約数和(自身を含む): 157636800

約数和(自身を除く): 33908165

約数列:

[1, 5, 17, 85, 409, 2045, 3559, 6953, 17795, 34765, 60503, 302515, 1455631, 7278155, 24745727, 123728635]

約数ペア:

[(1, 123728635), (5, 24745727), (17, 7278155), (85, 1455631), (409, 302515), (2045, 60503), (3559, 34765), (6953, 17795)]