28191436

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 34042484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1889, 2132, 3731, 3778, 7462, 7556, 13223, 14924, 24557, 26446, 49114, 52892, 77449, 98228, 154898, 171899, 309796, 343798, 542143, 687596, 1006837, 1084286, 2013674, 2168572, 4027348, 7047859, 14095718, 28191436]

約数ペア:

[(1, 28191436), (2, 14095718), (4, 7047859), (7, 4027348), (13, 2168572), (14, 2013674), (26, 1084286), (28, 1006837), (41, 687596), (52, 542143), (82, 343798), (91, 309796), (164, 171899), (182, 154898), (287, 98228), (364, 77449), (533, 52892), (574, 49114), (1066, 26446), (1148, 24557), (1889, 14924), (2132, 13223), (3731, 7556), (3778, 7462)]