217814856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 649927680

約数和(自身を除く): 432112824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 67, 74, 84, 111, 134, 148, 168, 201, 222, 259, 268, 296, 402, 444, 469, 518, 523, 536, 777, 804, 888, 938, 1036, 1046, 1407, 1554, 1569, 1608, 1876, 2072, 2092, 2479, 2814, 3108, 3138, 3661, 3752, 4184, 4958, 5628, 6216, 6276, 7322, 7437, 9916, 10983, 11256, 12552, 14644, 14874, 17353, 19351, 19832, 21966, 29288, 29748, 34706, 35041, 38702, 43932, 52059, 58053, 59496, 69412, 70082, 77404, 87864, 104118, 105123, 116106, 135457, 138824, 140164, 154808, 208236, 210246, 232212, 245287, 270914, 280328, 406371, 416472, 420492, 464424, 490574, 541828, 735861, 812742, 840984, 981148, 1083656, 1296517, 1471722, 1625484, 1962296, 2593034, 2943444, 3250968, 3889551, 5186068, 5886888, 7779102, 9075619, 10372136, 15558204, 18151238, 27226857, 31116408, 36302476, 54453714, 72604952, 108907428, 217814856]

約数ペア:

[(1, 217814856), (2, 108907428), (3, 72604952), (4, 54453714), (6, 36302476), (7, 31116408), (8, 27226857), (12, 18151238), (14, 15558204), (21, 10372136), (24, 9075619), (28, 7779102), (37, 5886888), (42, 5186068), (56, 3889551), (67, 3250968), (74, 2943444), (84, 2593034), (111, 1962296), (134, 1625484), (148, 1471722), (168, 1296517), (201, 1083656), (222, 981148), (259, 840984), (268, 812742), (296, 735861), (402, 541828), (444, 490574), (469, 464424), (518, 420492), (523, 416472), (536, 406371), (777, 280328), (804, 270914), (888, 245287), (938, 232212), (1036, 210246), (1046, 208236), (1407, 154808), (1554, 140164), (1569, 138824), (1608, 135457), (1876, 116106), (2072, 105123), (2092, 104118), (2479, 87864), (2814, 77404), (3108, 70082), (3138, 69412), (3661, 59496), (3752, 58053), (4184, 52059), (4958, 43932), (5628, 38702), (6216, 35041), (6276, 34706), (7322, 29748), (7437, 29288), (9916, 21966), (10983, 19832), (11256, 19351), (12552, 17353), (14644, 14874)]