28170688

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 84

約数和(自身を含む): 70131432

約数和(自身を除く): 41960744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 691, 728, 784, 832, 1274, 1382, 1456, 1568, 2548, 2764, 2912, 3136, 4837, 5096, 5528, 5824, 8983, 9674, 10192, 11056, 17966, 19348, 20384, 22112, 33859, 35932, 38696, 40768, 44224, 62881, 67718, 71864, 77392, 125762, 135436, 143728, 154784, 251524, 270872, 287456, 309568, 440167, 503048, 541744, 574912, 880334, 1006096, 1083488, 1760668, 2012192, 2166976, 3521336, 4024384, 7042672, 14085344, 28170688]

約数ペア:

[(1, 28170688), (2, 14085344), (4, 7042672), (7, 4024384), (8, 3521336), (13, 2166976), (14, 2012192), (16, 1760668), (26, 1083488), (28, 1006096), (32, 880334), (49, 574912), (52, 541744), (56, 503048), (64, 440167), (91, 309568), (98, 287456), (104, 270872), (112, 251524), (182, 154784), (196, 143728), (208, 135436), (224, 125762), (364, 77392), (392, 71864), (416, 67718), (448, 62881), (637, 44224), (691, 40768), (728, 38696), (784, 35932), (832, 33859), (1274, 22112), (1382, 20384), (1456, 19348), (1568, 17966), (2548, 11056), (2764, 10192), (2912, 9674), (3136, 8983), (4837, 5824), (5096, 5528)]