289331329

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 353764800

約数和(自身を除く): 64433471

約数列:

[1, 7, 23, 49, 149, 161, 1043, 1127, 1723, 3427, 7301, 12061, 23989, 39629, 84427, 167923, 256727, 277403, 1797089, 1941821, 5904721, 12579623, 41333047, 289331329]

約数ペア:

[(1, 289331329), (7, 41333047), (23, 12579623), (49, 5904721), (149, 1941821), (161, 1797089), (1043, 277403), (1127, 256727), (1723, 167923), (3427, 84427), (7301, 39629), (12061, 23989)]