27996956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 28921444

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 659, 817, 988, 1118, 1318, 1634, 2236, 2636, 3268, 8567, 10621, 12521, 17134, 21242, 25042, 28337, 34268, 42484, 50084, 56674, 113348, 162773, 325546, 368381, 538403, 651092, 736762, 1076806, 1473524, 2153612, 6999239, 13998478, 27996956]

約数ペア:

[(1, 27996956), (2, 13998478), (4, 6999239), (13, 2153612), (19, 1473524), (26, 1076806), (38, 736762), (43, 651092), (52, 538403), (76, 368381), (86, 325546), (172, 162773), (247, 113348), (494, 56674), (559, 50084), (659, 42484), (817, 34268), (988, 28337), (1118, 25042), (1318, 21242), (1634, 17134), (2236, 12521), (2636, 10621), (3268, 8567)]