218417584

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 541465344

約数和(自身を除く): 323047760

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 121, 142, 154, 176, 227, 242, 284, 308, 454, 484, 497, 568, 616, 781, 847, 908, 968, 994, 1136, 1232, 1562, 1589, 1694, 1816, 1936, 1988, 2497, 3124, 3178, 3388, 3632, 3976, 4994, 5467, 6248, 6356, 6776, 7952, 8591, 9988, 10934, 12496, 12712, 13552, 16117, 17182, 17479, 19976, 21868, 25424, 27467, 32234, 34364, 34958, 39952, 43736, 54934, 60137, 64468, 68728, 69916, 87472, 109868, 112819, 120274, 128936, 137456, 139832, 177287, 192269, 219736, 225638, 240548, 257872, 279664, 354574, 384538, 439472, 451276, 481096, 709148, 769076, 902552, 962192, 1241009, 1418296, 1538152, 1805104, 1950157, 2482018, 2836592, 3076304, 3900314, 4964036, 7800628, 9928072, 13651099, 15601256, 19856144, 27302198, 31202512, 54604396, 109208792, 218417584]

約数ペア:

[(1, 218417584), (2, 109208792), (4, 54604396), (7, 31202512), (8, 27302198), (11, 19856144), (14, 15601256), (16, 13651099), (22, 9928072), (28, 7800628), (44, 4964036), (56, 3900314), (71, 3076304), (77, 2836592), (88, 2482018), (112, 1950157), (121, 1805104), (142, 1538152), (154, 1418296), (176, 1241009), (227, 962192), (242, 902552), (284, 769076), (308, 709148), (454, 481096), (484, 451276), (497, 439472), (568, 384538), (616, 354574), (781, 279664), (847, 257872), (908, 240548), (968, 225638), (994, 219736), (1136, 192269), (1232, 177287), (1562, 139832), (1589, 137456), (1694, 128936), (1816, 120274), (1936, 112819), (1988, 109868), (2497, 87472), (3124, 69916), (3178, 68728), (3388, 64468), (3632, 60137), (3976, 54934), (4994, 43736), (5467, 39952), (6248, 34958), (6356, 34364), (6776, 32234), (7952, 27467), (8591, 25424), (9988, 21868), (10934, 19976), (12496, 17479), (12712, 17182), (13552, 16117)]