9986956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20981}}^1$

素因数の和:21009

約数の個数: 24

約数和(自身を含む): 21149856

約数和(自身を除く): 11162900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 20981, 41962, 83924, 146867, 293734, 356677, 587468, 713354, 1426708, 2496739, 4993478, 9986956]

約数ペア:

[(1, 9986956), (2, 4993478), (4, 2496739), (7, 1426708), (14, 713354), (17, 587468), (28, 356677), (34, 293734), (68, 146867), (119, 83924), (238, 41962), (476, 20981)]