4321456

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{1657}}^1$

素因数の和:1828

約数の個数: 20

約数和(自身を含む): 8429272

約数和(自身を除く): 4107816

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 1657, 2608, 3314, 6628, 13256, 26512, 270091, 540182, 1080364, 2160728, 4321456]

約数ペア:

[(1, 4321456), (2, 2160728), (4, 1080364), (8, 540182), (16, 270091), (163, 26512), (326, 13256), (652, 6628), (1304, 3314), (1657, 2608)]