278533136

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12497}}^1$

素因数の和:12711

約数の個数: 40

約数和(自身を含む): 619900800

約数和(自身を除く): 341367664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 12497, 22288, 24994, 49988, 87479, 99976, 174958, 199952, 349916, 699832, 1399664, 2486903, 4973806, 9947612, 17408321, 19895224, 34816642, 39790448, 69633284, 139266568, 278533136]

約数ペア:

[(1, 278533136), (2, 139266568), (4, 69633284), (7, 39790448), (8, 34816642), (14, 19895224), (16, 17408321), (28, 9947612), (56, 4973806), (112, 2486903), (199, 1399664), (398, 699832), (796, 349916), (1393, 199952), (1592, 174958), (2786, 99976), (3184, 87479), (5572, 49988), (11144, 24994), (12497, 22288)]