638648208

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13903}}^1$

素因数の和:13957

約数の個数: 120

約数和(自身を含む): 2017192320

約数和(自身を除く): 1378544112

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 464, 522, 528, 638, 696, 792, 957, 1044, 1276, 1392, 1584, 1914, 2088, 2552, 2871, 3828, 4176, 5104, 5742, 7656, 11484, 13903, 15312, 22968, 27806, 41709, 45936, 55612, 83418, 111224, 125127, 152933, 166836, 222448, 250254, 305866, 333672, 403187, 458799, 500508, 611732, 667344, 806374, 917598, 1001016, 1209561, 1223464, 1376397, 1612748, 1835196, 2002032, 2419122, 2446928, 2752794, 3225496, 3628683, 3670392, 4435057, 4838244, 5505588, 6450992, 7257366, 7340784, 8870114, 9676488, 11011176, 13305171, 14514732, 17740228, 19352976, 22022352, 26610342, 29029464, 35480456, 39915513, 53220684, 58058928, 70960912, 79831026, 106441368, 159662052, 212882736, 319324104, 638648208]

約数ペア:

[(1, 638648208), (2, 319324104), (3, 212882736), (4, 159662052), (6, 106441368), (8, 79831026), (9, 70960912), (11, 58058928), (12, 53220684), (16, 39915513), (18, 35480456), (22, 29029464), (24, 26610342), (29, 22022352), (33, 19352976), (36, 17740228), (44, 14514732), (48, 13305171), (58, 11011176), (66, 9676488), (72, 8870114), (87, 7340784), (88, 7257366), (99, 6450992), (116, 5505588), (132, 4838244), (144, 4435057), (174, 3670392), (176, 3628683), (198, 3225496), (232, 2752794), (261, 2446928), (264, 2419122), (319, 2002032), (348, 1835196), (396, 1612748), (464, 1376397), (522, 1223464), (528, 1209561), (638, 1001016), (696, 917598), (792, 806374), (957, 667344), (1044, 611732), (1276, 500508), (1392, 458799), (1584, 403187), (1914, 333672), (2088, 305866), (2552, 250254), (2871, 222448), (3828, 166836), (4176, 152933), (5104, 125127), (5742, 111224), (7656, 83418), (11484, 55612), (13903, 45936), (15312, 41709), (22968, 27806)]