81214919

素因数分解:

${\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 85155840

約数和(自身を除く): 3940921

約数列:

[1, 47, 83, 109, 191, 3901, 5123, 8977, 9047, 15853, 20819, 425209, 745091, 978493, 1727977, 81214919]

約数ペア:

[(1, 81214919), (47, 1727977), (83, 978493), (109, 745091), (191, 425209), (3901, 20819), (5123, 15853), (8977, 9047)]