28740236

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 32546164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 607, 623, 1214, 1246, 1691, 2428, 2492, 3382, 4249, 6764, 8498, 11533, 11837, 16996, 23066, 23674, 46132, 47348, 54023, 80731, 108046, 161462, 216092, 322924, 378161, 756322, 1026437, 1512644, 2052874, 4105748, 7185059, 14370118, 28740236]

約数ペア:

[(1, 28740236), (2, 14370118), (4, 7185059), (7, 4105748), (14, 2052874), (19, 1512644), (28, 1026437), (38, 756322), (76, 378161), (89, 322924), (133, 216092), (178, 161462), (266, 108046), (356, 80731), (532, 54023), (607, 47348), (623, 46132), (1214, 23674), (1246, 23066), (1691, 16996), (2428, 11837), (2492, 11533), (3382, 8498), (4249, 6764)]