81755716

素因数分解:

$2^2\times 7^2\times {\mathrm{449}}^1\times {\mathrm{929}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 166981500

約数和(自身を除く): 85225784

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 449, 898, 929, 1796, 1858, 3143, 3716, 6286, 6503, 12572, 13006, 22001, 26012, 44002, 45521, 88004, 91042, 182084, 417121, 834242, 1668484, 2919847, 5839694, 11679388, 20438929, 40877858, 81755716]

約数ペア:

[(1, 81755716), (2, 40877858), (4, 20438929), (7, 11679388), (14, 5839694), (28, 2919847), (49, 1668484), (98, 834242), (196, 417121), (449, 182084), (898, 91042), (929, 88004), (1796, 45521), (1858, 44002), (3143, 26012), (3716, 22001), (6286, 13006), (6503, 12572)]