89919851

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2248

約数の個数: 20

約数和(自身を含む): 111121272

約数和(自身を除く): 21201421

約数列:

[1, 7, 17, 49, 119, 343, 833, 2203, 2401, 5831, 15421, 37451, 40817, 107947, 262157, 755629, 1835099, 5289403, 12845693, 89919851]

約数ペア:

[(1, 89919851), (7, 12845693), (17, 5289403), (49, 1835099), (119, 755629), (343, 262157), (833, 107947), (2203, 40817), (2401, 37451), (5831, 15421)]