64254865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 85276800

約数和(自身を除く): 21021935

約数列:

[1, 5, 19, 29, 83, 95, 145, 281, 415, 551, 1405, 1577, 2407, 2755, 5339, 7885, 8149, 12035, 23323, 26695, 40745, 45733, 116615, 154831, 228665, 443137, 676367, 774155, 2215685, 3381835, 12850973, 64254865]

約数ペア:

[(1, 64254865), (5, 12850973), (19, 3381835), (29, 2215685), (83, 774155), (95, 676367), (145, 443137), (281, 228665), (415, 154831), (551, 116615), (1405, 45733), (1577, 40745), (2407, 26695), (2755, 23323), (5339, 12035), (7885, 8149)]