81271284

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{356453}}^1$

素因数の和:356479

約数の個数: 24

約数和(自身を含む): 199614240

約数和(自身を除く): 118342956

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 356453, 712906, 1069359, 1425812, 2138718, 4277436, 6772607, 13545214, 20317821, 27090428, 40635642, 81271284]

約数ペア:

[(1, 81271284), (2, 40635642), (3, 27090428), (4, 20317821), (6, 13545214), (12, 6772607), (19, 4277436), (38, 2138718), (57, 1425812), (76, 1069359), (114, 712906), (228, 356453)]