27581428

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 57541120

約数和(自身を除く): 29959692

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 79, 148, 158, 259, 316, 337, 518, 553, 674, 1036, 1106, 1348, 2212, 2359, 2923, 4718, 5846, 9436, 11692, 12469, 20461, 24938, 26623, 40922, 49876, 53246, 81844, 87283, 106492, 174566, 186361, 349132, 372722, 745444, 985051, 1970102, 3940204, 6895357, 13790714, 27581428]

約数ペア:

[(1, 27581428), (2, 13790714), (4, 6895357), (7, 3940204), (14, 1970102), (28, 985051), (37, 745444), (74, 372722), (79, 349132), (148, 186361), (158, 174566), (259, 106492), (316, 87283), (337, 81844), (518, 53246), (553, 49876), (674, 40922), (1036, 26623), (1106, 24938), (1348, 20461), (2212, 12469), (2359, 11692), (2923, 9436), (4718, 5846)]