78728105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{929}}^1\times {\mathrm{997}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 100239120

約数和(自身を除く): 21511015

約数列:

[1, 5, 17, 85, 929, 997, 4645, 4985, 15793, 16949, 78965, 84745, 926213, 4631065, 15745621, 78728105]

約数ペア:

[(1, 78728105), (5, 15745621), (17, 4631065), (85, 926213), (929, 84745), (997, 78965), (4645, 16949), (4985, 15793)]