128181856

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{433}}^1$

素因数の和:512

約数の個数: 72

約数和(自身を含む): 285778584

約数和(自身を除く): 157596728

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 433, 464, 638, 841, 866, 928, 1276, 1682, 1732, 2552, 3364, 3464, 4763, 5104, 6728, 6928, 9251, 9526, 10208, 12557, 13456, 13856, 18502, 19052, 25114, 26912, 37004, 38104, 50228, 74008, 76208, 100456, 138127, 148016, 152416, 200912, 276254, 296032, 364153, 401824, 552508, 728306, 1105016, 1456612, 2210032, 2913224, 4005683, 4420064, 5826448, 8011366, 11652896, 16022732, 32045464, 64090928, 128181856]

約数ペア:

[(1, 128181856), (2, 64090928), (4, 32045464), (8, 16022732), (11, 11652896), (16, 8011366), (22, 5826448), (29, 4420064), (32, 4005683), (44, 2913224), (58, 2210032), (88, 1456612), (116, 1105016), (176, 728306), (232, 552508), (319, 401824), (352, 364153), (433, 296032), (464, 276254), (638, 200912), (841, 152416), (866, 148016), (928, 138127), (1276, 100456), (1682, 76208), (1732, 74008), (2552, 50228), (3364, 38104), (3464, 37004), (4763, 26912), (5104, 25114), (6728, 19052), (6928, 18502), (9251, 13856), (9526, 13456), (10208, 12557)]