212718025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38501}}^1$

素因数の和:38541

約数の個数: 24

約数和(自身を含む): 300777624

約数和(自身を除く): 88059599

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 38501, 192505, 500513, 654517, 962525, 2502565, 3272585, 8508721, 12512825, 16362925, 42543605, 212718025]

約数ペア:

[(1, 212718025), (5, 42543605), (13, 16362925), (17, 12512825), (25, 8508721), (65, 3272585), (85, 2502565), (221, 962525), (325, 654517), (425, 500513), (1105, 192505), (5525, 38501)]