390389075

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{95801}}^1$

素因数の和:95974

約数の個数: 12

約数和(自身を含む): 487057368

約数和(自身を除く): 96668293

約数列:

[1, 5, 25, 163, 815, 4075, 95801, 479005, 2395025, 15615563, 78077815, 390389075]

約数ペア:

[(1, 390389075), (5, 78077815), (25, 15615563), (163, 2395025), (815, 479005), (4075, 95801)]