81652975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 107093840

約数和(自身を除く): 25440865

約数列:

[1, 5, 19, 25, 95, 397, 433, 475, 1985, 2165, 7543, 8227, 9925, 10825, 37715, 41135, 171901, 188575, 205675, 859505, 3266119, 4297525, 16330595, 81652975]

約数ペア:

[(1, 81652975), (5, 16330595), (19, 4297525), (25, 3266119), (95, 859505), (397, 205675), (433, 188575), (475, 171901), (1985, 41135), (2165, 37715), (7543, 10825), (8227, 9925)]