256142019

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{68141}}^1$

素因数の和:68330

約数の個数: 16

約数和(自身を含む): 392497920

約数和(自身を除く): 136355901

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 68141, 204423, 476987, 1430961, 12197239, 36591717, 85380673, 256142019]

約数ペア:

[(1, 256142019), (3, 85380673), (7, 36591717), (21, 12197239), (179, 1430961), (537, 476987), (1253, 204423), (3759, 68141)]