43890005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3769}}^1$

素因数の和:3928

約数の個数: 16

約数和(自身を含む): 56188080

約数和(自身を除く): 12298075

約数列:

[1, 5, 17, 85, 137, 685, 2329, 3769, 11645, 18845, 64073, 320365, 516353, 2581765, 8778001, 43890005]

約数ペア:

[(1, 43890005), (5, 8778001), (17, 2581765), (85, 516353), (137, 320365), (685, 64073), (2329, 18845), (3769, 11645)]