1380491978

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{236143}}^1$

素因数の和:236261

約数の個数: 16

約数和(自身を含む): 2153633280

約数和(自身を除く): 773141302

約数列:

[1, 2, 37, 74, 79, 158, 2923, 5846, 236143, 472286, 8737291, 17474582, 18655297, 37310594, 690245989, 1380491978]

約数ペア:

[(1, 1380491978), (2, 690245989), (37, 37310594), (74, 18655297), (79, 17474582), (158, 8737291), (2923, 472286), (5846, 236143)]