28625938

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 22318382

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 121, 139, 242, 253, 278, 407, 506, 814, 851, 1529, 1702, 2783, 3058, 3197, 4477, 5143, 5566, 6394, 8954, 9361, 10286, 16819, 18722, 33638, 35167, 56573, 70334, 102971, 113146, 118289, 205942, 236578, 386837, 622303, 773674, 1244606, 1301179, 2602358, 14312969, 28625938]

約数ペア:

[(1, 28625938), (2, 14312969), (11, 2602358), (22, 1301179), (23, 1244606), (37, 773674), (46, 622303), (74, 386837), (121, 236578), (139, 205942), (242, 118289), (253, 113146), (278, 102971), (407, 70334), (506, 56573), (814, 35167), (851, 33638), (1529, 18722), (1702, 16819), (2783, 10286), (3058, 9361), (3197, 8954), (4477, 6394), (5143, 5566)]