81581696

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 188153280

約数和(自身を除く): 106571584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 332, 448, 581, 664, 896, 1097, 1162, 1328, 2194, 2324, 2656, 4388, 4648, 5312, 7679, 8776, 9296, 10624, 15358, 17552, 18592, 30716, 35104, 37184, 61432, 70208, 74368, 91051, 122864, 140416, 182102, 245728, 364204, 491456, 637357, 728408, 982912, 1274714, 1456816, 2549428, 2913632, 5098856, 5827264, 10197712, 11654528, 20395424, 40790848, 81581696]

約数ペア:

[(1, 81581696), (2, 40790848), (4, 20395424), (7, 11654528), (8, 10197712), (14, 5827264), (16, 5098856), (28, 2913632), (32, 2549428), (56, 1456816), (64, 1274714), (83, 982912), (112, 728408), (128, 637357), (166, 491456), (224, 364204), (332, 245728), (448, 182102), (581, 140416), (664, 122864), (896, 91051), (1097, 74368), (1162, 70208), (1328, 61432), (2194, 37184), (2324, 35104), (2656, 30716), (4388, 18592), (4648, 17552), (5312, 15358), (7679, 10624), (8776, 9296)]