389936075

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{187921}}^1$

素因数の和:188014

約数の個数: 12

約数和(自身を含む): 489348888

約数和(自身を除く): 99412813

約数列:

[1, 5, 25, 83, 415, 2075, 187921, 939605, 4698025, 15597443, 77987215, 389936075]

約数ペア:

[(1, 389936075), (5, 77987215), (25, 15597443), (83, 4698025), (415, 939605), (2075, 187921)]