640823256

素因数分解:

$2^3\times 3^2\times {\mathrm{8900323}}^1$

素因数の和:8900335

約数の個数: 24

約数和(自身を含む): 1735563180

約数和(自身を除く): 1094739924

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8900323, 17800646, 26700969, 35601292, 53401938, 71202584, 80102907, 106803876, 160205814, 213607752, 320411628, 640823256]

約数ペア:

[(1, 640823256), (2, 320411628), (3, 213607752), (4, 160205814), (6, 106803876), (8, 80102907), (9, 71202584), (12, 53401938), (18, 35601292), (24, 26700969), (36, 17800646), (72, 8900323)]