128553568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2161}}^1$

素因数の和:2208

約数の個数: 72

約数和(自身を含む): 299108376

約数和(自身を除く): 170554808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 572, 676, 1144, 1352, 1859, 2161, 2288, 2704, 3718, 4322, 4576, 5408, 7436, 8644, 14872, 17288, 23771, 28093, 29744, 34576, 47542, 56186, 59488, 69152, 95084, 112372, 190168, 224744, 309023, 365209, 380336, 449488, 618046, 730418, 760672, 898976, 1236092, 1460836, 2472184, 2921672, 4017299, 4944368, 5843344, 8034598, 9888736, 11686688, 16069196, 32138392, 64276784, 128553568]

約数ペア:

[(1, 128553568), (2, 64276784), (4, 32138392), (8, 16069196), (11, 11686688), (13, 9888736), (16, 8034598), (22, 5843344), (26, 4944368), (32, 4017299), (44, 2921672), (52, 2472184), (88, 1460836), (104, 1236092), (143, 898976), (169, 760672), (176, 730418), (208, 618046), (286, 449488), (338, 380336), (352, 365209), (416, 309023), (572, 224744), (676, 190168), (1144, 112372), (1352, 95084), (1859, 69152), (2161, 59488), (2288, 56186), (2704, 47542), (3718, 34576), (4322, 29744), (4576, 28093), (5408, 23771), (7436, 17288), (8644, 14872)]