87628475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 129039360

約数和(自身を除く): 41410885

約数列:

[1, 5, 11, 19, 25, 31, 55, 95, 155, 209, 275, 341, 475, 541, 589, 775, 1045, 1705, 2705, 2945, 5225, 5951, 6479, 8525, 10279, 13525, 14725, 16771, 29755, 32395, 51395, 83855, 113069, 148775, 161975, 184481, 256975, 318649, 419275, 565345, 922405, 1593245, 2826725, 3505139, 4612025, 7966225, 17525695, 87628475]

約数ペア:

[(1, 87628475), (5, 17525695), (11, 7966225), (19, 4612025), (25, 3505139), (31, 2826725), (55, 1593245), (95, 922405), (155, 565345), (209, 419275), (275, 318649), (341, 256975), (475, 184481), (541, 161975), (589, 148775), (775, 113069), (1045, 83855), (1705, 51395), (2705, 32395), (2945, 29755), (5225, 16771), (5951, 14725), (6479, 13525), (8525, 10279)]