64665856

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 135725688

約数和(自身を除く): 71059832

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 64, 82, 101, 122, 128, 164, 202, 244, 256, 328, 404, 488, 656, 808, 976, 1312, 1616, 1952, 2501, 2624, 3232, 3904, 4141, 5002, 5248, 6161, 6464, 7808, 8282, 10004, 10496, 12322, 12928, 15616, 16564, 20008, 24644, 25856, 33128, 40016, 49288, 66256, 80032, 98576, 132512, 160064, 197152, 252601, 265024, 320128, 394304, 505202, 530048, 640256, 788608, 1010404, 1060096, 1577216, 2020808, 4041616, 8083232, 16166464, 32332928, 64665856]

約数ペア:

[(1, 64665856), (2, 32332928), (4, 16166464), (8, 8083232), (16, 4041616), (32, 2020808), (41, 1577216), (61, 1060096), (64, 1010404), (82, 788608), (101, 640256), (122, 530048), (128, 505202), (164, 394304), (202, 320128), (244, 265024), (256, 252601), (328, 197152), (404, 160064), (488, 132512), (656, 98576), (808, 80032), (976, 66256), (1312, 49288), (1616, 40016), (1952, 33128), (2501, 25856), (2624, 24644), (3232, 20008), (3904, 16564), (4141, 15616), (5002, 12928), (5248, 12322), (6161, 10496), (6464, 10004), (7808, 8282)]