165881495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7955

約数の個数: 32

約数和(自身を含む): 238956480

約数和(自身を除く): 73074985

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 7901, 20995, 39505, 102713, 134317, 150119, 513565, 671585, 750595, 1746121, 1951547, 2552023, 8730605, 9757735, 12760115, 33176299, 165881495]

約数ペア:

[(1, 165881495), (5, 33176299), (13, 12760115), (17, 9757735), (19, 8730605), (65, 2552023), (85, 1951547), (95, 1746121), (221, 750595), (247, 671585), (323, 513565), (1105, 150119), (1235, 134317), (1615, 102713), (4199, 39505), (7901, 20995)]