16220225

素因数分解:

$5^2\times 7^2\times {\mathrm{13241}}^1$

素因数の和:13265

約数の個数: 18

約数和(自身を含む): 23398614

約数和(自身を除く): 7178389

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 13241, 66205, 92687, 331025, 463435, 648809, 2317175, 3244045, 16220225]

約数ペア:

[(1, 16220225), (5, 3244045), (7, 2317175), (25, 648809), (35, 463435), (49, 331025), (175, 92687), (245, 66205), (1225, 13241)]