397194448

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 899942400

約数和(自身を除く): 502747952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 199, 251, 284, 398, 497, 502, 568, 796, 994, 1004, 1136, 1393, 1592, 1757, 1988, 2008, 2786, 3184, 3514, 3976, 4016, 5572, 7028, 7952, 11144, 14056, 14129, 17821, 22288, 28112, 28258, 35642, 49949, 56516, 71284, 98903, 99898, 113032, 124747, 142568, 197806, 199796, 226064, 249494, 285136, 349643, 395612, 399592, 498988, 699286, 791224, 799184, 997976, 1398572, 1582448, 1995952, 2797144, 3546379, 5594288, 7092758, 14185516, 24824653, 28371032, 49649306, 56742064, 99298612, 198597224, 397194448]

約数ペア:

[(1, 397194448), (2, 198597224), (4, 99298612), (7, 56742064), (8, 49649306), (14, 28371032), (16, 24824653), (28, 14185516), (56, 7092758), (71, 5594288), (112, 3546379), (142, 2797144), (199, 1995952), (251, 1582448), (284, 1398572), (398, 997976), (497, 799184), (502, 791224), (568, 699286), (796, 498988), (994, 399592), (1004, 395612), (1136, 349643), (1393, 285136), (1592, 249494), (1757, 226064), (1988, 199796), (2008, 197806), (2786, 142568), (3184, 124747), (3514, 113032), (3976, 99898), (4016, 98903), (5572, 71284), (7028, 56516), (7952, 49949), (11144, 35642), (14056, 28258), (14129, 28112), (17821, 22288)]