28011425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 37914240

約数和(自身を除く): 9902815

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1091, 1975, 5135, 5455, 14183, 25675, 27275, 70915, 86189, 354575, 430945, 1120457, 2154725, 5602285, 28011425]

約数ペア:

[(1, 28011425), (5, 5602285), (13, 2154725), (25, 1120457), (65, 430945), (79, 354575), (325, 86189), (395, 70915), (1027, 27275), (1091, 25675), (1975, 14183), (5135, 5455)]