64286975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3301}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 85984080

約数和(自身を除く): 21697105

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3301, 3895, 16505, 19475, 62719, 82525, 135341, 313595, 676705, 1567975, 2571479, 3383525, 12857395, 64286975]

約数ペア:

[(1, 64286975), (5, 12857395), (19, 3383525), (25, 2571479), (41, 1567975), (95, 676705), (205, 313595), (475, 135341), (779, 82525), (1025, 62719), (3301, 19475), (3895, 16505)]