78420575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5051

約数の個数: 24

約数和(自身を含む): 105765552

約数和(自身を除く): 27344977

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 3145, 4987, 15725, 24935, 84779, 124675, 184519, 423895, 922595, 2119475, 3136823, 4612975, 15684115, 78420575]

約数ペア:

[(1, 78420575), (5, 15684115), (17, 4612975), (25, 3136823), (37, 2119475), (85, 922595), (185, 423895), (425, 184519), (629, 124675), (925, 84779), (3145, 24935), (4987, 15725)]