12828788

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 28201320

約数和(自身を除く): 15372532

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 61, 74, 98, 116, 122, 148, 196, 203, 244, 259, 406, 427, 518, 812, 854, 1036, 1073, 1421, 1708, 1769, 1813, 2146, 2257, 2842, 2989, 3538, 3626, 4292, 4514, 5684, 5978, 7076, 7252, 7511, 9028, 11956, 12383, 15022, 15799, 24766, 30044, 31598, 49532, 52577, 63196, 65453, 86681, 105154, 110593, 130906, 173362, 210308, 221186, 261812, 346724, 442372, 458171, 916342, 1832684, 3207197, 6414394, 12828788]

約数ペア:

[(1, 12828788), (2, 6414394), (4, 3207197), (7, 1832684), (14, 916342), (28, 458171), (29, 442372), (37, 346724), (49, 261812), (58, 221186), (61, 210308), (74, 173362), (98, 130906), (116, 110593), (122, 105154), (148, 86681), (196, 65453), (203, 63196), (244, 52577), (259, 49532), (406, 31598), (427, 30044), (518, 24766), (812, 15799), (854, 15022), (1036, 12383), (1073, 11956), (1421, 9028), (1708, 7511), (1769, 7252), (1813, 7076), (2146, 5978), (2257, 5684), (2842, 4514), (2989, 4292), (3538, 3626)]