7917812

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 16800000

約数和(自身を除く): 8882188

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 199, 203, 343, 398, 406, 686, 796, 812, 1372, 1393, 1421, 2786, 2842, 5572, 5684, 5771, 9751, 9947, 11542, 19502, 19894, 23084, 39004, 39788, 40397, 68257, 80794, 136514, 161588, 273028, 282779, 565558, 1131116, 1979453, 3958906, 7917812]

約数ペア:

[(1, 7917812), (2, 3958906), (4, 1979453), (7, 1131116), (14, 565558), (28, 282779), (29, 273028), (49, 161588), (58, 136514), (98, 80794), (116, 68257), (196, 40397), (199, 39788), (203, 39004), (343, 23084), (398, 19894), (406, 19502), (686, 11542), (796, 9947), (812, 9751), (1372, 5771), (1393, 5684), (1421, 5572), (2786, 2842)]