8121428

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3259}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 16430400

約数和(自身を除く): 8308972

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 3259, 6518, 13036, 22813, 45626, 91252, 290051, 580102, 1160204, 2030357, 4060714, 8121428]

約数ペア:

[(1, 8121428), (2, 4060714), (4, 2030357), (7, 1160204), (14, 580102), (28, 290051), (89, 91252), (178, 45626), (356, 22813), (623, 13036), (1246, 6518), (2492, 3259)]