28223845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 37103616

約数和(自身を除く): 8879771

約数列:

[1, 5, 13, 65, 127, 169, 263, 635, 845, 1315, 1651, 3419, 8255, 17095, 21463, 33401, 44447, 107315, 167005, 222235, 434213, 2171065, 5644769, 28223845]

約数ペア:

[(1, 28223845), (5, 5644769), (13, 2171065), (65, 434213), (127, 222235), (169, 167005), (263, 107315), (635, 44447), (845, 33401), (1315, 21463), (1651, 17095), (3419, 8255)]