638897256

素因数分解:

$2^3\times 3^2\times {\mathrm{8873573}}^1$

素因数の和:8873585

約数の個数: 24

約数和(自身を含む): 1730346930

約数和(自身を除く): 1091449674

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8873573, 17747146, 26620719, 35494292, 53241438, 70988584, 79862157, 106482876, 159724314, 212965752, 319448628, 638897256]

約数ペア:

[(1, 638897256), (2, 319448628), (3, 212965752), (4, 159724314), (6, 106482876), (8, 79862157), (9, 70988584), (12, 53241438), (18, 35494292), (24, 26620719), (36, 17747146), (72, 8873573)]