51981872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1693}}^1$

素因数の和:1821

約数の個数: 40

約数和(自身を含む): 107128560

約数和(自身を除く): 55146688

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1616, 1693, 1919, 3386, 3838, 6772, 7676, 13544, 15352, 27088, 30704, 32167, 64334, 128668, 170993, 257336, 341986, 514672, 683972, 1367944, 2735888, 3248867, 6497734, 12995468, 25990936, 51981872]

約数ペア:

[(1, 51981872), (2, 25990936), (4, 12995468), (8, 6497734), (16, 3248867), (19, 2735888), (38, 1367944), (76, 683972), (101, 514672), (152, 341986), (202, 257336), (304, 170993), (404, 128668), (808, 64334), (1616, 32167), (1693, 30704), (1919, 27088), (3386, 15352), (3838, 13544), (6772, 7676)]