890999525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{34703}}^1$

素因数の和:34805

約数の個数: 24

約数和(自身を含む): 1204922880

約数和(自身を除く): 313923355

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 5135, 25675, 34703, 173515, 451139, 867575, 2255695, 2741537, 11278475, 13707685, 35639981, 68538425, 178199905, 890999525]

約数ペア:

[(1, 890999525), (5, 178199905), (13, 68538425), (25, 35639981), (65, 13707685), (79, 11278475), (325, 2741537), (395, 2255695), (1027, 867575), (1975, 451139), (5135, 173515), (25675, 34703)]