212721393025

素因数分解:

$5^2\times {\mathrm{433}}^1\times {\mathrm{487}}^1\times {\mathrm{40351}}^1$

素因数の和:41281

約数の個数: 24

約数和(自身を含む): 264933154304

約数和(自身を除く): 52211761279

約数列:

[1, 5, 25, 433, 487, 2165, 2435, 10825, 12175, 40351, 201755, 210871, 1008775, 1054355, 5271775, 17471983, 19650937, 87359915, 98254685, 436799575, 491273425, 8508855721, 42544278605, 212721393025]

約数ペア:

[(1, 212721393025), (5, 42544278605), (25, 8508855721), (433, 491273425), (487, 436799575), (2165, 98254685), (2435, 87359915), (10825, 19650937), (12175, 17471983), (40351, 5271775), (201755, 1054355), (210871, 1008775)]