78737525

素因数分解:

$5^2\times {\mathrm{421}}^1\times {\mathrm{7481}}^1$

素因数の和:7912

約数の個数: 12

約数和(自身を含む): 97879524

約数和(自身を除く): 19141999

約数列:

[1, 5, 25, 421, 2105, 7481, 10525, 37405, 187025, 3149501, 15747505, 78737525]

約数ペア:

[(1, 78737525), (5, 15747505), (25, 3149501), (421, 187025), (2105, 37405), (7481, 10525)]