251409136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 559249920

約数和(自身を除く): 307840784

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 173, 176, 184, 253, 346, 359, 368, 506, 692, 718, 1012, 1384, 1436, 1903, 2024, 2768, 2872, 3806, 3949, 3979, 4048, 5744, 7612, 7898, 7958, 8257, 15224, 15796, 15916, 16514, 30448, 31592, 31832, 33028, 43769, 62107, 63184, 63664, 66056, 87538, 90827, 124214, 132112, 175076, 181654, 248428, 350152, 363308, 496856, 683177, 700304, 726616, 993712, 1366354, 1428461, 1453232, 2732708, 2856922, 5465416, 5713844, 10930832, 11427688, 15713071, 22855376, 31426142, 62852284, 125704568, 251409136]

約数ペア:

[(1, 251409136), (2, 125704568), (4, 62852284), (8, 31426142), (11, 22855376), (16, 15713071), (22, 11427688), (23, 10930832), (44, 5713844), (46, 5465416), (88, 2856922), (92, 2732708), (173, 1453232), (176, 1428461), (184, 1366354), (253, 993712), (346, 726616), (359, 700304), (368, 683177), (506, 496856), (692, 363308), (718, 350152), (1012, 248428), (1384, 181654), (1436, 175076), (1903, 132112), (2024, 124214), (2768, 90827), (2872, 87538), (3806, 66056), (3949, 63664), (3979, 63184), (4048, 62107), (5744, 43769), (7612, 33028), (7898, 31832), (7958, 31592), (8257, 30448), (15224, 16514), (15796, 15916)]