215380478

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{43441}}^1$

素因数の和:43547

約数の個数: 16

約数和(自身を含む): 336762384

約数和(自身を除く): 121381906

約数列:

[1, 2, 37, 67, 74, 134, 2479, 4958, 43441, 86882, 1607317, 2910547, 3214634, 5821094, 107690239, 215380478]

約数ペア:

[(1, 215380478), (2, 107690239), (37, 5821094), (67, 3214634), (74, 2910547), (134, 1607317), (2479, 86882), (4958, 43441)]