199808225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2053}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 263610360

約数和(自身を除く): 63802135

約数列:

[1, 5, 17, 25, 85, 229, 425, 1145, 2053, 3893, 5725, 10265, 19465, 34901, 51325, 97325, 174505, 470137, 872525, 2350685, 7992329, 11753425, 39961645, 199808225]

約数ペア:

[(1, 199808225), (5, 39961645), (17, 11753425), (25, 7992329), (85, 2350685), (229, 872525), (425, 470137), (1145, 174505), (2053, 97325), (3893, 51325), (5725, 34901), (10265, 19465)]