28185416

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 63329280

約数和(自身を除く): 35143864

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 61, 74, 122, 148, 223, 244, 259, 296, 427, 446, 488, 518, 854, 892, 1036, 1561, 1708, 1784, 2072, 2257, 3122, 3416, 4514, 6244, 8251, 9028, 12488, 13603, 15799, 16502, 18056, 27206, 31598, 33004, 54412, 57757, 63196, 66008, 95221, 108824, 115514, 126392, 190442, 231028, 380884, 462056, 503311, 761768, 1006622, 2013244, 3523177, 4026488, 7046354, 14092708, 28185416]

約数ペア:

[(1, 28185416), (2, 14092708), (4, 7046354), (7, 4026488), (8, 3523177), (14, 2013244), (28, 1006622), (37, 761768), (56, 503311), (61, 462056), (74, 380884), (122, 231028), (148, 190442), (223, 126392), (244, 115514), (259, 108824), (296, 95221), (427, 66008), (446, 63196), (488, 57757), (518, 54412), (854, 33004), (892, 31598), (1036, 27206), (1561, 18056), (1708, 16502), (1784, 15799), (2072, 13603), (2257, 12488), (3122, 9028), (3416, 8251), (4514, 6244)]