508745575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{3943}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 681255008

約数和(自身を除く): 172509433

約数列:

[1, 5, 13, 25, 65, 325, 397, 1985, 3943, 5161, 9925, 19715, 25805, 51259, 98575, 129025, 256295, 1281475, 1565371, 7826855, 20349823, 39134275, 101749115, 508745575]

約数ペア:

[(1, 508745575), (5, 101749115), (13, 39134275), (25, 20349823), (65, 7826855), (325, 1565371), (397, 1281475), (1985, 256295), (3943, 129025), (5161, 98575), (9925, 51259), (19715, 25805)]