28224430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217111}}^1$

素因数の和:217131

約数の個数: 16

約数和(自身を含む): 54712224

約数和(自身を除く): 26487794

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217111, 434222, 1085555, 2171110, 2822443, 5644886, 14112215, 28224430]

約数ペア:

[(1, 28224430), (2, 14112215), (5, 5644886), (10, 2822443), (13, 2171110), (26, 1085555), (65, 434222), (130, 217111)]