28604225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 38455872

約数和(自身を除く): 9851647

約数列:

[1, 5, 13, 25, 65, 283, 311, 325, 1415, 1555, 3679, 4043, 7075, 7775, 18395, 20215, 88013, 91975, 101075, 440065, 1144169, 2200325, 5720845, 28604225]

約数ペア:

[(1, 28604225), (5, 5720845), (13, 2200325), (25, 1144169), (65, 440065), (283, 101075), (311, 91975), (325, 88013), (1415, 20215), (1555, 18395), (3679, 7775), (4043, 7075)]