331248512

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 789626880

約数和(自身を除く): 458378368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 71, 82, 112, 127, 128, 142, 164, 224, 254, 284, 287, 328, 448, 497, 508, 568, 574, 656, 889, 896, 994, 1016, 1136, 1148, 1312, 1778, 1988, 2032, 2272, 2296, 2624, 2911, 3556, 3976, 4064, 4544, 4592, 5207, 5248, 5822, 7112, 7952, 8128, 9017, 9088, 9184, 10414, 11644, 14224, 15904, 16256, 18034, 18368, 20377, 20828, 23288, 28448, 31808, 36068, 36449, 36736, 40754, 41656, 46576, 56896, 63119, 63616, 72136, 72898, 81508, 83312, 93152, 113792, 126238, 144272, 145796, 163016, 166624, 186304, 252476, 288544, 291592, 326032, 333248, 369697, 372608, 504952, 577088, 583184, 652064, 666496, 739394, 1009904, 1154176, 1166368, 1304128, 1478788, 2019808, 2332736, 2587879, 2608256, 2957576, 4039616, 4665472, 5175758, 5915152, 8079232, 10351516, 11830304, 20703032, 23660608, 41406064, 47321216, 82812128, 165624256, 331248512]

約数ペア:

[(1, 331248512), (2, 165624256), (4, 82812128), (7, 47321216), (8, 41406064), (14, 23660608), (16, 20703032), (28, 11830304), (32, 10351516), (41, 8079232), (56, 5915152), (64, 5175758), (71, 4665472), (82, 4039616), (112, 2957576), (127, 2608256), (128, 2587879), (142, 2332736), (164, 2019808), (224, 1478788), (254, 1304128), (284, 1166368), (287, 1154176), (328, 1009904), (448, 739394), (497, 666496), (508, 652064), (568, 583184), (574, 577088), (656, 504952), (889, 372608), (896, 369697), (994, 333248), (1016, 326032), (1136, 291592), (1148, 288544), (1312, 252476), (1778, 186304), (1988, 166624), (2032, 163016), (2272, 145796), (2296, 144272), (2624, 126238), (2911, 113792), (3556, 93152), (3976, 83312), (4064, 81508), (4544, 72898), (4592, 72136), (5207, 63616), (5248, 63119), (5822, 56896), (7112, 46576), (7952, 41656), (8128, 40754), (9017, 36736), (9088, 36449), (9184, 36068), (10414, 31808), (11644, 28448), (14224, 23288), (15904, 20828), (16256, 20377), (18034, 18368)]