256468674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3067}}^1$

素因数の和:3271

約数の個数: 64

約数和(自身を含む): 643249152

約数和(自身を除く): 386780478

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 181, 231, 362, 462, 543, 1086, 1267, 1991, 2534, 3067, 3801, 3982, 5973, 6134, 7602, 9201, 11946, 13937, 18402, 21469, 27874, 33737, 41811, 42938, 64407, 67474, 83622, 101211, 128814, 202422, 236159, 472318, 555127, 708477, 1110254, 1416954, 1665381, 3330762, 3885889, 6106397, 7771778, 11657667, 12212794, 18319191, 23315334, 36638382, 42744779, 85489558, 128234337, 256468674]

約数ペア:

[(1, 256468674), (2, 128234337), (3, 85489558), (6, 42744779), (7, 36638382), (11, 23315334), (14, 18319191), (21, 12212794), (22, 11657667), (33, 7771778), (42, 6106397), (66, 3885889), (77, 3330762), (154, 1665381), (181, 1416954), (231, 1110254), (362, 708477), (462, 555127), (543, 472318), (1086, 236159), (1267, 202422), (1991, 128814), (2534, 101211), (3067, 83622), (3801, 67474), (3982, 64407), (5973, 42938), (6134, 41811), (7602, 33737), (9201, 27874), (11946, 21469), (13937, 18402)]