83781025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 107207424

約数和(自身を除く): 23426399

約数列:

[1, 5, 25, 47, 113, 235, 565, 631, 1175, 2825, 3155, 5311, 15775, 26555, 29657, 71303, 132775, 148285, 356515, 741425, 1782575, 3351241, 16756205, 83781025]

約数ペア:

[(1, 83781025), (5, 16756205), (25, 3351241), (47, 1782575), (113, 741425), (235, 356515), (565, 148285), (631, 132775), (1175, 71303), (2825, 29657), (3155, 26555), (5311, 15775)]