28104538

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 57193344

約数和(自身を除く): 29088806

約数列:

[1, 2, 7, 11, 14, 22, 29, 31, 49, 58, 62, 77, 98, 154, 203, 217, 319, 341, 406, 434, 539, 638, 682, 841, 899, 1078, 1421, 1519, 1682, 1798, 2233, 2387, 2842, 3038, 4466, 4774, 5887, 6293, 9251, 9889, 11774, 12586, 15631, 16709, 18502, 19778, 26071, 31262, 33418, 41209, 44051, 52142, 64757, 69223, 82418, 88102, 129514, 138446, 182497, 286781, 364994, 453299, 484561, 573562, 906598, 969122, 1277479, 2007467, 2554958, 4014934, 14052269, 28104538]

約数ペア:

[(1, 28104538), (2, 14052269), (7, 4014934), (11, 2554958), (14, 2007467), (22, 1277479), (29, 969122), (31, 906598), (49, 573562), (58, 484561), (62, 453299), (77, 364994), (98, 286781), (154, 182497), (203, 138446), (217, 129514), (319, 88102), (341, 82418), (406, 69223), (434, 64757), (539, 52142), (638, 44051), (682, 41209), (841, 33418), (899, 31262), (1078, 26071), (1421, 19778), (1519, 18502), (1682, 16709), (1798, 15631), (2233, 12586), (2387, 11774), (2842, 9889), (3038, 9251), (4466, 6293), (4774, 5887)]