77663975

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 99213888

約数和(自身を除く): 21549913

約数列:

[1, 5, 25, 47, 157, 235, 421, 785, 1175, 2105, 3925, 7379, 10525, 19787, 36895, 66097, 98935, 184475, 330485, 494675, 1652425, 3106559, 15532795, 77663975]

約数ペア:

[(1, 77663975), (5, 15532795), (25, 3106559), (47, 1652425), (157, 494675), (235, 330485), (421, 184475), (785, 98935), (1175, 66097), (2105, 36895), (3925, 19787), (7379, 10525)]