221038928

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 506634240

約数和(自身を除く): 285595312

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 44, 58, 62, 88, 116, 121, 124, 127, 176, 232, 242, 248, 254, 319, 341, 464, 484, 496, 508, 638, 682, 899, 968, 1016, 1276, 1364, 1397, 1798, 1936, 2032, 2552, 2728, 2794, 3509, 3596, 3683, 3751, 3937, 5104, 5456, 5588, 7018, 7192, 7366, 7502, 7874, 9889, 11176, 14036, 14384, 14732, 15004, 15367, 15748, 19778, 22352, 28072, 29464, 30008, 30734, 31496, 39556, 40513, 43307, 56144, 58928, 60016, 61468, 62992, 79112, 81026, 86614, 108779, 114173, 122936, 158224, 162052, 173228, 217558, 228346, 245872, 324104, 346456, 435116, 445643, 456692, 476377, 648208, 692912, 870232, 891286, 913384, 952754, 1255903, 1740464, 1782572, 1826768, 1905508, 2511806, 3565144, 3811016, 5023612, 7130288, 7622032, 10047224, 13814933, 20094448, 27629866, 55259732, 110519464, 221038928]

約数ペア:

[(1, 221038928), (2, 110519464), (4, 55259732), (8, 27629866), (11, 20094448), (16, 13814933), (22, 10047224), (29, 7622032), (31, 7130288), (44, 5023612), (58, 3811016), (62, 3565144), (88, 2511806), (116, 1905508), (121, 1826768), (124, 1782572), (127, 1740464), (176, 1255903), (232, 952754), (242, 913384), (248, 891286), (254, 870232), (319, 692912), (341, 648208), (464, 476377), (484, 456692), (496, 445643), (508, 435116), (638, 346456), (682, 324104), (899, 245872), (968, 228346), (1016, 217558), (1276, 173228), (1364, 162052), (1397, 158224), (1798, 122936), (1936, 114173), (2032, 108779), (2552, 86614), (2728, 81026), (2794, 79112), (3509, 62992), (3596, 61468), (3683, 60016), (3751, 58928), (3937, 56144), (5104, 43307), (5456, 40513), (5588, 39556), (7018, 31496), (7192, 30734), (7366, 30008), (7502, 29464), (7874, 28072), (9889, 22352), (11176, 19778), (14036, 15748), (14384, 15367), (14732, 15004)]