64497575

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 86795040

約数和(自身を除く): 22297465

約数列:

[1, 5, 17, 25, 79, 85, 113, 289, 395, 425, 565, 1343, 1445, 1921, 1975, 2825, 6715, 7225, 8927, 9605, 22831, 32657, 33575, 44635, 48025, 114155, 151759, 163285, 223175, 570775, 758795, 816425, 2579903, 3793975, 12899515, 64497575]

約数ペア:

[(1, 64497575), (5, 12899515), (17, 3793975), (25, 2579903), (79, 816425), (85, 758795), (113, 570775), (289, 223175), (395, 163285), (425, 151759), (565, 114155), (1343, 48025), (1445, 44635), (1921, 33575), (1975, 32657), (2825, 22831), (6715, 9605), (7225, 8927)]