55131175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 79994880

約数和(自身を除く): 24863705

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 223, 275, 319, 341, 725, 775, 899, 1115, 1595, 1705, 2453, 4495, 5575, 6467, 6913, 7975, 8525, 9889, 12265, 22475, 32335, 34565, 49445, 61325, 71137, 76043, 161675, 172825, 200477, 247225, 355685, 380215, 1002385, 1778425, 1901075, 2205247, 5011925, 11026235, 55131175]

約数ペア:

[(1, 55131175), (5, 11026235), (11, 5011925), (25, 2205247), (29, 1901075), (31, 1778425), (55, 1002385), (145, 380215), (155, 355685), (223, 247225), (275, 200477), (319, 172825), (341, 161675), (725, 76043), (775, 71137), (899, 61325), (1115, 49445), (1595, 34565), (1705, 32335), (2453, 22475), (4495, 12265), (5575, 9889), (6467, 8525), (6913, 7975)]