221008025

素因数分解:

$5^2\times 7^1\times {\mathrm{1262903}}^1$

素因数の和:1262920

約数の個数: 12

約数和(自身を含む): 313200192

約数和(自身を除く): 92192167

約数列:

[1, 5, 7, 25, 35, 175, 1262903, 6314515, 8840321, 31572575, 44201605, 221008025]

約数ペア:

[(1, 221008025), (5, 44201605), (7, 31572575), (25, 8840321), (35, 6314515), (175, 1262903)]