172347725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21611}}^1$

素因数の和:21661

約数の個数: 24

約数和(自身を含む): 241189920

約数和(自身を除く): 68842195

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 21611, 108055, 237721, 540275, 626719, 1188605, 3133595, 5943025, 6893909, 15667975, 34469545, 172347725]

約数ペア:

[(1, 172347725), (5, 34469545), (11, 15667975), (25, 6893909), (29, 5943025), (55, 3133595), (145, 1188605), (275, 626719), (319, 540275), (725, 237721), (1595, 108055), (7975, 21611)]