12945445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 16386048

約数和(自身を除く): 3440603

約数列:

[1, 5, 31, 47, 155, 235, 1457, 1777, 7285, 8885, 55087, 83519, 275435, 417595, 2589089, 12945445]

約数ペア:

[(1, 12945445), (5, 2589089), (31, 417595), (47, 275435), (155, 83519), (235, 55087), (1457, 8885), (1777, 7285)]