219937984

素因数分解:

$2^6\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2467}}^1$

素因数の和:2685

約数の個数: 56

約数和(自身を含む): 501497600

約数和(自身を除く): 281559616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 199, 224, 398, 448, 796, 1393, 1592, 2467, 2786, 3184, 4934, 5572, 6368, 9868, 11144, 12736, 17269, 19736, 22288, 34538, 39472, 44576, 69076, 78944, 89152, 138152, 157888, 276304, 490933, 552608, 981866, 1105216, 1963732, 3436531, 3927464, 6873062, 7854928, 13746124, 15709856, 27492248, 31419712, 54984496, 109968992, 219937984]

約数ペア:

[(1, 219937984), (2, 109968992), (4, 54984496), (7, 31419712), (8, 27492248), (14, 15709856), (16, 13746124), (28, 7854928), (32, 6873062), (56, 3927464), (64, 3436531), (112, 1963732), (199, 1105216), (224, 981866), (398, 552608), (448, 490933), (796, 276304), (1393, 157888), (1592, 138152), (2467, 89152), (2786, 78944), (3184, 69076), (4934, 44576), (5572, 39472), (6368, 34538), (9868, 22288), (11144, 19736), (12736, 17269)]