211399818

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 497280000

約数和(自身を除く): 285880182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 278, 294, 343, 417, 686, 739, 834, 973, 1029, 1478, 1946, 2058, 2217, 2919, 4434, 5173, 5838, 6811, 10346, 13622, 15519, 20433, 31038, 36211, 40866, 47677, 72422, 95354, 102721, 108633, 143031, 205442, 217266, 253477, 286062, 308163, 506954, 616326, 719047, 760431, 1438094, 1520862, 2157141, 4314282, 5033329, 10066658, 15099987, 30199974, 35233303, 70466606, 105699909, 211399818]

約数ペア:

[(1, 211399818), (2, 105699909), (3, 70466606), (6, 35233303), (7, 30199974), (14, 15099987), (21, 10066658), (42, 5033329), (49, 4314282), (98, 2157141), (139, 1520862), (147, 1438094), (278, 760431), (294, 719047), (343, 616326), (417, 506954), (686, 308163), (739, 286062), (834, 253477), (973, 217266), (1029, 205442), (1478, 143031), (1946, 108633), (2058, 102721), (2217, 95354), (2919, 72422), (4434, 47677), (5173, 40866), (5838, 36211), (6811, 31038), (10346, 20433), (13622, 15519)]