128443356

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{17929}}^1$

素因数の和:18138

約数の個数: 36

約数和(自身を含む): 326326000

約数和(自身を除く): 197882644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 3582, 7164, 17929, 35858, 53787, 71716, 107574, 161361, 215148, 322722, 645444, 3567871, 7135742, 10703613, 14271484, 21407226, 32110839, 42814452, 64221678, 128443356]

約数ペア:

[(1, 128443356), (2, 64221678), (3, 42814452), (4, 32110839), (6, 21407226), (9, 14271484), (12, 10703613), (18, 7135742), (36, 3567871), (199, 645444), (398, 322722), (597, 215148), (796, 161361), (1194, 107574), (1791, 71716), (2388, 53787), (3582, 35858), (7164, 17929)]