16890395

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{761}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 21287232

約数和(自身を除く): 4396837

約数列:

[1, 5, 23, 115, 193, 761, 965, 3805, 4439, 17503, 22195, 87515, 146873, 734365, 3378079, 16890395]

約数ペア:

[(1, 16890395), (5, 3378079), (23, 734365), (115, 146873), (193, 87515), (761, 22195), (965, 17503), (3805, 4439)]