257642114

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1\times {\mathrm{4547}}^1$

素因数の和:5281

約数の個数: 16

約数和(自身を含む): 396549216

約数和(自身を除く): 138907102

約数列:

[1, 2, 41, 82, 691, 1382, 4547, 9094, 28331, 56662, 186427, 372854, 3141977, 6283954, 128821057, 257642114]

約数ペア:

[(1, 257642114), (2, 128821057), (41, 6283954), (82, 3141977), (691, 372854), (1382, 186427), (4547, 56662), (9094, 28331)]