12780416

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 28825200

約数和(自身を除く): 16044784

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 313, 319, 352, 464, 626, 638, 704, 928, 1252, 1276, 1408, 1856, 2504, 2552, 3443, 3712, 5008, 5104, 6886, 9077, 10016, 10208, 13772, 18154, 20032, 20416, 27544, 36308, 40064, 40832, 55088, 72616, 99847, 110176, 145232, 199694, 220352, 290464, 399388, 440704, 580928, 798776, 1161856, 1597552, 3195104, 6390208, 12780416]

約数ペア:

[(1, 12780416), (2, 6390208), (4, 3195104), (8, 1597552), (11, 1161856), (16, 798776), (22, 580928), (29, 440704), (32, 399388), (44, 290464), (58, 220352), (64, 199694), (88, 145232), (116, 110176), (128, 99847), (176, 72616), (232, 55088), (313, 40832), (319, 40064), (352, 36308), (464, 27544), (626, 20416), (638, 20032), (704, 18154), (928, 13772), (1252, 10208), (1276, 10016), (1408, 9077), (1856, 6886), (2504, 5104), (2552, 5008), (3443, 3712)]