16501745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 21504000

約数和(自身を除く): 5002255

約数列:

[1, 5, 13, 65, 127, 635, 1651, 1999, 8255, 9995, 25987, 129935, 253873, 1269365, 3300349, 16501745]

約数ペア:

[(1, 16501745), (5, 3300349), (13, 1269365), (65, 253873), (127, 129935), (635, 25987), (1651, 9995), (1999, 8255)]