64705424

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 148561920

約数和(自身を除く): 83856496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 79, 103, 112, 142, 158, 206, 284, 316, 412, 497, 553, 568, 632, 721, 824, 994, 1106, 1136, 1264, 1442, 1648, 1988, 2212, 2884, 3976, 4424, 5609, 5768, 7313, 7952, 8137, 8848, 11218, 11536, 14626, 16274, 22436, 29252, 32548, 39263, 44872, 51191, 56959, 58504, 65096, 78526, 89744, 102382, 113918, 117008, 130192, 157052, 204764, 227836, 314104, 409528, 455672, 577727, 628208, 819056, 911344, 1155454, 2310908, 4044089, 4621816, 8088178, 9243632, 16176356, 32352712, 64705424]

約数ペア:

[(1, 64705424), (2, 32352712), (4, 16176356), (7, 9243632), (8, 8088178), (14, 4621816), (16, 4044089), (28, 2310908), (56, 1155454), (71, 911344), (79, 819056), (103, 628208), (112, 577727), (142, 455672), (158, 409528), (206, 314104), (284, 227836), (316, 204764), (412, 157052), (497, 130192), (553, 117008), (568, 113918), (632, 102382), (721, 89744), (824, 78526), (994, 65096), (1106, 58504), (1136, 56959), (1264, 51191), (1442, 44872), (1648, 39263), (1988, 32548), (2212, 29252), (2884, 22436), (3976, 16274), (4424, 14626), (5609, 11536), (5768, 11218), (7313, 8848), (7952, 8137)]