28405836

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 78848000

約数和(自身を除く): 50442164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 109, 114, 127, 171, 218, 228, 254, 327, 342, 381, 436, 508, 513, 654, 684, 762, 981, 1026, 1143, 1308, 1524, 1962, 2052, 2071, 2286, 2413, 2943, 3429, 3924, 4142, 4572, 4826, 5886, 6213, 6858, 7239, 8284, 9652, 11772, 12426, 13716, 13843, 14478, 18639, 21717, 24852, 27686, 28956, 37278, 41529, 43434, 55372, 55917, 65151, 74556, 83058, 86868, 111834, 124587, 130302, 166116, 223668, 249174, 260604, 263017, 373761, 498348, 526034, 747522, 789051, 1052068, 1495044, 1578102, 2367153, 3156204, 4734306, 7101459, 9468612, 14202918, 28405836]

約数ペア:

[(1, 28405836), (2, 14202918), (3, 9468612), (4, 7101459), (6, 4734306), (9, 3156204), (12, 2367153), (18, 1578102), (19, 1495044), (27, 1052068), (36, 789051), (38, 747522), (54, 526034), (57, 498348), (76, 373761), (108, 263017), (109, 260604), (114, 249174), (127, 223668), (171, 166116), (218, 130302), (228, 124587), (254, 111834), (327, 86868), (342, 83058), (381, 74556), (436, 65151), (508, 55917), (513, 55372), (654, 43434), (684, 41529), (762, 37278), (981, 28956), (1026, 27686), (1143, 24852), (1308, 21717), (1524, 18639), (1962, 14478), (2052, 13843), (2071, 13716), (2286, 12426), (2413, 11772), (2943, 9652), (3429, 8284), (3924, 7239), (4142, 6858), (4572, 6213), (4826, 5886)]