128072958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 293932800

約数和(自身を除く): 165859842

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 89, 114, 178, 247, 267, 494, 534, 741, 971, 1157, 1482, 1691, 1942, 2314, 2913, 3382, 3471, 5073, 5826, 6942, 10146, 12623, 18449, 21983, 25246, 36898, 37869, 43966, 55347, 65949, 75738, 86419, 110694, 131898, 172838, 239837, 259257, 479674, 518514, 719511, 1123447, 1439022, 1641961, 2246894, 3283922, 3370341, 4925883, 6740682, 9851766, 21345493, 42690986, 64036479, 128072958]

約数ペア:

[(1, 128072958), (2, 64036479), (3, 42690986), (6, 21345493), (13, 9851766), (19, 6740682), (26, 4925883), (38, 3370341), (39, 3283922), (57, 2246894), (78, 1641961), (89, 1439022), (114, 1123447), (178, 719511), (247, 518514), (267, 479674), (494, 259257), (534, 239837), (741, 172838), (971, 131898), (1157, 110694), (1482, 86419), (1691, 75738), (1942, 65949), (2314, 55347), (2913, 43966), (3382, 37869), (3471, 36898), (5073, 25246), (5826, 21983), (6942, 18449), (10146, 12623)]