201312905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{1987}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 252491904

約数和(自身を除く): 51178999

約数列:

[1, 5, 23, 115, 881, 1987, 4405, 9935, 20263, 45701, 101315, 228505, 1750547, 8752735, 40262581, 201312905]

約数ペア:

[(1, 201312905), (5, 40262581), (23, 8752735), (115, 1750547), (881, 228505), (1987, 101315), (4405, 45701), (9935, 20263)]