28268864

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 56

約数和(自身を含む): 61511688

約数和(自身を除く): 33242824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 557, 793, 832, 976, 1114, 1586, 1952, 2228, 3172, 3904, 4456, 6344, 7241, 8912, 12688, 14482, 17824, 25376, 28964, 33977, 35648, 50752, 57928, 67954, 115856, 135908, 231712, 271816, 441701, 463424, 543632, 883402, 1087264, 1766804, 2174528, 3533608, 7067216, 14134432, 28268864]

約数ペア:

[(1, 28268864), (2, 14134432), (4, 7067216), (8, 3533608), (13, 2174528), (16, 1766804), (26, 1087264), (32, 883402), (52, 543632), (61, 463424), (64, 441701), (104, 271816), (122, 231712), (208, 135908), (244, 115856), (416, 67954), (488, 57928), (557, 50752), (793, 35648), (832, 33977), (976, 28964), (1114, 25376), (1586, 17824), (1952, 14482), (2228, 12688), (3172, 8912), (3904, 7241), (4456, 6344)]