28165475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 38122560

約数和(自身を除く): 9957085

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1097, 1975, 5135, 5485, 14261, 25675, 27425, 71305, 86663, 356525, 433315, 1126619, 2166575, 5633095, 28165475]

約数ペア:

[(1, 28165475), (5, 5633095), (13, 2166575), (25, 1126619), (65, 433315), (79, 356525), (325, 86663), (395, 71305), (1027, 27425), (1097, 25675), (1975, 14261), (5135, 5485)]