28772212

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 59785600

約数和(自身を除く): 31013388

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 313, 343, 469, 626, 686, 938, 1252, 1372, 1876, 2191, 3283, 4382, 6566, 8764, 13132, 15337, 20971, 22981, 30674, 41942, 45962, 61348, 83884, 91924, 107359, 146797, 214718, 293594, 429436, 587188, 1027579, 2055158, 4110316, 7193053, 14386106, 28772212]

約数ペア:

[(1, 28772212), (2, 14386106), (4, 7193053), (7, 4110316), (14, 2055158), (28, 1027579), (49, 587188), (67, 429436), (98, 293594), (134, 214718), (196, 146797), (268, 107359), (313, 91924), (343, 83884), (469, 61348), (626, 45962), (686, 41942), (938, 30674), (1252, 22981), (1372, 20971), (1876, 15337), (2191, 13132), (3283, 8764), (4382, 6566)]