13378372

素因数分解:

$2^2\times 7^5\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 27451200

約数和(自身を除く): 14072828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 343, 398, 686, 796, 1372, 1393, 2401, 2786, 4802, 5572, 9604, 9751, 16807, 19502, 33614, 39004, 67228, 68257, 136514, 273028, 477799, 955598, 1911196, 3344593, 6689186, 13378372]

約数ペア:

[(1, 13378372), (2, 6689186), (4, 3344593), (7, 1911196), (14, 955598), (28, 477799), (49, 273028), (98, 136514), (196, 68257), (199, 67228), (343, 39004), (398, 33614), (686, 19502), (796, 16807), (1372, 9751), (1393, 9604), (2401, 5572), (2786, 4802)]