90899425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{213881}}^1$

素因数の和:213908

約数の個数: 12

約数和(自身を含む): 119346156

約数和(自身を除く): 28446731

約数列:

[1, 5, 17, 25, 85, 425, 213881, 1069405, 3635977, 5347025, 18179885, 90899425]

約数ペア:

[(1, 90899425), (5, 18179885), (17, 5347025), (25, 3635977), (85, 1069405), (425, 213881)]