128161878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5087}}^1$

素因数の和:5141

約数の個数: 64

約数和(自身を含む): 307722240

約数和(自身を除く): 179560362

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 969, 1326, 1482, 1938, 4199, 5087, 8398, 10174, 12597, 15261, 25194, 30522, 66131, 86479, 96653, 132262, 172958, 193306, 198393, 259437, 289959, 396786, 518874, 579918, 1124227, 1256489, 1643101, 2248454, 2512978, 3286202, 3372681, 3769467, 4929303, 6745362, 7538934, 9858606, 21360313, 42720626, 64080939, 128161878]

約数ペア:

[(1, 128161878), (2, 64080939), (3, 42720626), (6, 21360313), (13, 9858606), (17, 7538934), (19, 6745362), (26, 4929303), (34, 3769467), (38, 3372681), (39, 3286202), (51, 2512978), (57, 2248454), (78, 1643101), (102, 1256489), (114, 1124227), (221, 579918), (247, 518874), (323, 396786), (442, 289959), (494, 259437), (646, 198393), (663, 193306), (741, 172958), (969, 132262), (1326, 96653), (1482, 86479), (1938, 66131), (4199, 30522), (5087, 25194), (8398, 15261), (10174, 12597)]