28284724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 55874896

約数和(自身を除く): 27590172

約数列:

[1, 2, 4, 13, 26, 37, 52, 61, 74, 122, 148, 241, 244, 481, 482, 793, 962, 964, 1586, 1924, 2257, 3133, 3172, 4514, 6266, 8917, 9028, 12532, 14701, 17834, 29341, 29402, 35668, 58682, 58804, 115921, 117364, 191113, 231842, 382226, 463684, 543937, 764452, 1087874, 2175748, 7071181, 14142362, 28284724]

約数ペア:

[(1, 28284724), (2, 14142362), (4, 7071181), (13, 2175748), (26, 1087874), (37, 764452), (52, 543937), (61, 463684), (74, 382226), (122, 231842), (148, 191113), (241, 117364), (244, 115921), (481, 58804), (482, 58682), (793, 35668), (962, 29402), (964, 29341), (1586, 17834), (1924, 14701), (2257, 12532), (3133, 9028), (3172, 8917), (4514, 6266)]