12621119

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 15129600

約数和(自身を除く): 2508481

約数列:

[1, 7, 29, 79, 203, 553, 787, 2291, 5509, 16037, 22823, 62173, 159761, 435211, 1803017, 12621119]

約数ペア:

[(1, 12621119), (7, 1803017), (29, 435211), (79, 159761), (203, 62173), (553, 22823), (787, 16037), (2291, 5509)]