28753465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2557}}^1$

素因数の和:2748

約数の個数: 16

約数和(自身を含む): 37387728

約数和(自身を除く): 8634263

約数列:

[1, 5, 13, 65, 173, 865, 2249, 2557, 11245, 12785, 33241, 166205, 442361, 2211805, 5750693, 28753465]

約数ペア:

[(1, 28753465), (5, 5750693), (13, 2211805), (65, 442361), (173, 166205), (865, 33241), (2249, 12785), (2557, 11245)]