128686392

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{4951}}^1$

素因数の和:5001

約数の個数: 72

約数和(自身を含む): 367908840

約数和(自身を除く): 239222448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1368, 1444, 2166, 2888, 3249, 4332, 4951, 6498, 8664, 9902, 12996, 14853, 19804, 25992, 29706, 39608, 44559, 59412, 89118, 94069, 118824, 178236, 188138, 282207, 356472, 376276, 564414, 752552, 846621, 1128828, 1693242, 1787311, 2257656, 3386484, 3574622, 5361933, 6772968, 7149244, 10723866, 14298488, 16085799, 21447732, 32171598, 42895464, 64343196, 128686392]

約数ペア:

[(1, 128686392), (2, 64343196), (3, 42895464), (4, 32171598), (6, 21447732), (8, 16085799), (9, 14298488), (12, 10723866), (18, 7149244), (19, 6772968), (24, 5361933), (36, 3574622), (38, 3386484), (57, 2257656), (72, 1787311), (76, 1693242), (114, 1128828), (152, 846621), (171, 752552), (228, 564414), (342, 376276), (361, 356472), (456, 282207), (684, 188138), (722, 178236), (1083, 118824), (1368, 94069), (1444, 89118), (2166, 59412), (2888, 44559), (3249, 39608), (4332, 29706), (4951, 25992), (6498, 19804), (8664, 14853), (9902, 12996)]