6640975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 3358385

約数列:

[1, 5, 11, 19, 25, 31, 41, 55, 95, 155, 205, 209, 275, 341, 451, 475, 589, 775, 779, 1025, 1045, 1271, 1705, 2255, 2945, 3895, 5225, 6355, 6479, 8525, 8569, 11275, 13981, 14725, 19475, 24149, 31775, 32395, 42845, 69905, 120745, 161975, 214225, 265639, 349525, 603725, 1328195, 6640975]

約数ペア:

[(1, 6640975), (5, 1328195), (11, 603725), (19, 349525), (25, 265639), (31, 214225), (41, 161975), (55, 120745), (95, 69905), (155, 42845), (205, 32395), (209, 31775), (275, 24149), (341, 19475), (451, 14725), (475, 13981), (589, 11275), (775, 8569), (779, 8525), (1025, 6479), (1045, 6355), (1271, 5225), (1705, 3895), (2255, 2945)]