668850056

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{557}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 1473655680

約数和(自身を除く): 804805624

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 523, 557, 574, 1046, 1114, 1148, 2092, 2228, 2296, 3661, 3899, 4184, 4456, 7322, 7798, 14644, 15596, 21443, 22837, 29288, 31192, 42886, 45674, 85772, 91348, 150101, 159859, 171544, 182696, 291311, 300202, 319718, 582622, 600404, 639436, 1165244, 1200808, 1278872, 2039177, 2330488, 4078354, 8156708, 11943751, 16313416, 23887502, 47775004, 83606257, 95550008, 167212514, 334425028, 668850056]

約数ペア:

[(1, 668850056), (2, 334425028), (4, 167212514), (7, 95550008), (8, 83606257), (14, 47775004), (28, 23887502), (41, 16313416), (56, 11943751), (82, 8156708), (164, 4078354), (287, 2330488), (328, 2039177), (523, 1278872), (557, 1200808), (574, 1165244), (1046, 639436), (1114, 600404), (1148, 582622), (2092, 319718), (2228, 300202), (2296, 291311), (3661, 182696), (3899, 171544), (4184, 159859), (4456, 150101), (7322, 91348), (7798, 85772), (14644, 45674), (15596, 42886), (21443, 31192), (22837, 29288)]