81981708

素因数分解:

$2^2\times 3^1\times {\mathrm{499}}^1\times {\mathrm{13691}}^1$

素因数の和:14197

約数の個数: 24

約数和(自身を含む): 191688000

約数和(自身を除く): 109706292

約数列:

[1, 2, 3, 4, 6, 12, 499, 998, 1497, 1996, 2994, 5988, 13691, 27382, 41073, 54764, 82146, 164292, 6831809, 13663618, 20495427, 27327236, 40990854, 81981708]

約数ペア:

[(1, 81981708), (2, 40990854), (3, 27327236), (4, 20495427), (6, 13663618), (12, 6831809), (499, 164292), (998, 82146), (1497, 54764), (1996, 41073), (2994, 27382), (5988, 13691)]