81394746

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 102464454

約数列:

[1, 2, 3, 6, 19, 23, 37, 38, 46, 57, 69, 74, 111, 114, 138, 222, 437, 703, 839, 851, 874, 1311, 1406, 1678, 1702, 2109, 2517, 2553, 2622, 4218, 5034, 5106, 15941, 16169, 19297, 31043, 31882, 32338, 38594, 47823, 48507, 57891, 62086, 93129, 95646, 97014, 115782, 186258, 366643, 589817, 713989, 733286, 1099929, 1179634, 1427978, 1769451, 2141967, 2199858, 3538902, 4283934, 13565791, 27131582, 40697373, 81394746]

約数ペア:

[(1, 81394746), (2, 40697373), (3, 27131582), (6, 13565791), (19, 4283934), (23, 3538902), (37, 2199858), (38, 2141967), (46, 1769451), (57, 1427978), (69, 1179634), (74, 1099929), (111, 733286), (114, 713989), (138, 589817), (222, 366643), (437, 186258), (703, 115782), (839, 97014), (851, 95646), (874, 93129), (1311, 62086), (1406, 57891), (1678, 48507), (1702, 47823), (2109, 38594), (2517, 32338), (2553, 31882), (2622, 31043), (4218, 19297), (5034, 16169), (5106, 15941)]