12638983

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2707}}^1$

素因数の和:2766

約数の個数: 16

約数和(自身を含む): 15598080

約数和(自身を除く): 2959097

約数列:

[1, 7, 23, 29, 161, 203, 667, 2707, 4669, 18949, 62261, 78503, 435827, 549521, 1805569, 12638983]

約数ペア:

[(1, 12638983), (7, 1805569), (23, 549521), (29, 435827), (161, 78503), (203, 62261), (667, 18949), (2707, 4669)]