9987505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 13198464

約数和(自身を除く): 3210959

約数列:

[1, 5, 11, 55, 113, 565, 1243, 1607, 6215, 8035, 17677, 88385, 181591, 907955, 1997501, 9987505]

約数ペア:

[(1, 9987505), (5, 1997501), (11, 907955), (55, 181591), (113, 88385), (565, 17677), (1243, 8035), (1607, 6215)]