257426868

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{69877}}^1$

素因数の和:70191

約数の個数: 24

約数和(自身を含む): 602627872

約数和(自身を除く): 345201004

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 69877, 139754, 209631, 279508, 419262, 838524, 21452239, 42904478, 64356717, 85808956, 128713434, 257426868]

約数ペア:

[(1, 257426868), (2, 128713434), (3, 85808956), (4, 64356717), (6, 42904478), (12, 21452239), (307, 838524), (614, 419262), (921, 279508), (1228, 209631), (1842, 139754), (3684, 69877)]