289202851

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{5237}}^1$

素因数の和:5288

約数の個数: 20

約数和(自身を含む): 352119312

約数和(自身を除く): 62916461

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 5237, 7889, 36659, 55223, 120451, 256613, 843157, 1796291, 5902099, 12574037, 41314693, 289202851]

約数ペア:

[(1, 289202851), (7, 41314693), (23, 12574037), (49, 5902099), (161, 1796291), (343, 843157), (1127, 256613), (2401, 120451), (5237, 55223), (7889, 36659)]