128437105

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 156873024

約数和(自身を除く): 28435919

約数列:

[1, 5, 83, 197, 415, 985, 1571, 7855, 16351, 81755, 130393, 309487, 651965, 1547435, 25687421, 128437105]

約数ペア:

[(1, 128437105), (5, 25687421), (83, 1547435), (197, 651965), (415, 309487), (985, 130393), (1571, 81755), (7855, 16351)]