8721995

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 10782720

約数和(自身を除く): 2060725

約数列:

[1, 5, 71, 79, 311, 355, 395, 1555, 5609, 22081, 24569, 28045, 110405, 122845, 1744399, 8721995]

約数ペア:

[(1, 8721995), (5, 1744399), (71, 122845), (79, 110405), (311, 28045), (355, 24569), (395, 22081), (1555, 5609)]