131228084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 257703936

約数和(自身を除く): 126475852

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 127, 254, 403, 508, 641, 806, 1282, 1612, 1651, 2564, 3302, 3937, 6604, 7874, 8333, 15748, 16666, 19871, 33332, 39742, 51181, 79484, 81407, 102362, 162814, 204724, 258323, 325628, 516646, 1033292, 1058291, 2116582, 2523617, 4233164, 5047234, 10094468, 32807021, 65614042, 131228084]

約数ペア:

[(1, 131228084), (2, 65614042), (4, 32807021), (13, 10094468), (26, 5047234), (31, 4233164), (52, 2523617), (62, 2116582), (124, 1058291), (127, 1033292), (254, 516646), (403, 325628), (508, 258323), (641, 204724), (806, 162814), (1282, 102362), (1612, 81407), (1651, 79484), (2564, 51181), (3302, 39742), (3937, 33332), (6604, 19871), (7874, 16666), (8333, 15748)]