128391666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 280525824

約数和(自身を除く): 152134158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 254, 338, 381, 507, 762, 997, 1014, 1651, 1994, 2991, 3302, 4953, 5982, 9906, 12961, 21463, 25922, 38883, 42926, 64389, 77766, 126619, 128778, 168493, 253238, 336986, 379857, 505479, 759714, 1010958, 1646047, 3292094, 4938141, 9876282, 21398611, 42797222, 64195833, 128391666]

約数ペア:

[(1, 128391666), (2, 64195833), (3, 42797222), (6, 21398611), (13, 9876282), (26, 4938141), (39, 3292094), (78, 1646047), (127, 1010958), (169, 759714), (254, 505479), (338, 379857), (381, 336986), (507, 253238), (762, 168493), (997, 128778), (1014, 126619), (1651, 77766), (1994, 64389), (2991, 42926), (3302, 38883), (4953, 25922), (5982, 21463), (9906, 12961)]