215385025

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 271716984

約数和(自身を除く): 56331959

約数列:

[1, 5, 25, 101, 197, 433, 505, 985, 2165, 2525, 4925, 10825, 19897, 43733, 85301, 99485, 218665, 426505, 497425, 1093325, 2132525, 8615401, 43077005, 215385025]

約数ペア:

[(1, 215385025), (5, 43077005), (25, 8615401), (101, 2132525), (197, 1093325), (433, 497425), (505, 426505), (985, 218665), (2165, 99485), (2525, 85301), (4925, 43733), (10825, 19897)]