68987575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{467}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 90529920

約数和(自身を除く): 21542345

約数列:

[1, 5, 19, 25, 95, 311, 467, 475, 1555, 2335, 5909, 7775, 8873, 11675, 29545, 44365, 145237, 147725, 221825, 726185, 2759503, 3630925, 13797515, 68987575]

約数ペア:

[(1, 68987575), (5, 13797515), (19, 3630925), (25, 2759503), (95, 726185), (311, 221825), (467, 147725), (475, 145237), (1555, 44365), (2335, 29545), (5909, 11675), (7775, 8873)]