217197904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 557678592

約数和(自身を除く): 340480688

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 47, 56, 62, 77, 88, 94, 112, 121, 124, 154, 176, 188, 217, 242, 248, 308, 329, 341, 376, 434, 484, 496, 517, 616, 658, 682, 752, 847, 868, 968, 1034, 1232, 1316, 1331, 1364, 1457, 1694, 1736, 1936, 2068, 2387, 2632, 2662, 2728, 2914, 3388, 3472, 3619, 3751, 4136, 4774, 5264, 5324, 5456, 5687, 5828, 6776, 7238, 7502, 8272, 9317, 9548, 10199, 10648, 11374, 11656, 13552, 14476, 15004, 16027, 18634, 19096, 20398, 21296, 22748, 23312, 26257, 28952, 30008, 32054, 37268, 38192, 39809, 40796, 41261, 45496, 52514, 57904, 60016, 62557, 64108, 74536, 79618, 81592, 82522, 90992, 105028, 112189, 125114, 128216, 149072, 159236, 163184, 165044, 176297, 210056, 224378, 250228, 256432, 288827, 318472, 330088, 352594, 420112, 437899, 448756, 500456, 577654, 636944, 660176, 705188, 875798, 897512, 1000912, 1155308, 1234079, 1410376, 1751596, 1795024, 1939267, 2310616, 2468158, 2820752, 3503192, 3878534, 4621232, 4936316, 7006384, 7757068, 9872632, 13574869, 15514136, 19745264, 27149738, 31028272, 54299476, 108598952, 217197904]

約数ペア:

[(1, 217197904), (2, 108598952), (4, 54299476), (7, 31028272), (8, 27149738), (11, 19745264), (14, 15514136), (16, 13574869), (22, 9872632), (28, 7757068), (31, 7006384), (44, 4936316), (47, 4621232), (56, 3878534), (62, 3503192), (77, 2820752), (88, 2468158), (94, 2310616), (112, 1939267), (121, 1795024), (124, 1751596), (154, 1410376), (176, 1234079), (188, 1155308), (217, 1000912), (242, 897512), (248, 875798), (308, 705188), (329, 660176), (341, 636944), (376, 577654), (434, 500456), (484, 448756), (496, 437899), (517, 420112), (616, 352594), (658, 330088), (682, 318472), (752, 288827), (847, 256432), (868, 250228), (968, 224378), (1034, 210056), (1232, 176297), (1316, 165044), (1331, 163184), (1364, 159236), (1457, 149072), (1694, 128216), (1736, 125114), (1936, 112189), (2068, 105028), (2387, 90992), (2632, 82522), (2662, 81592), (2728, 79618), (2914, 74536), (3388, 64108), (3472, 62557), (3619, 60016), (3751, 57904), (4136, 52514), (4774, 45496), (5264, 41261), (5324, 40796), (5456, 39809), (5687, 38192), (5828, 37268), (6776, 32054), (7238, 30008), (7502, 28952), (8272, 26257), (9317, 23312), (9548, 22748), (10199, 21296), (10648, 20398), (11374, 19096), (11656, 18634), (13552, 16027), (14476, 15004)]