12421717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 15564672

約数和(自身を除く): 3142955

約数列:

[1, 7, 11, 77, 353, 457, 2471, 3199, 3883, 5027, 27181, 35189, 161321, 1129247, 1774531, 12421717]

約数ペア:

[(1, 12421717), (7, 1774531), (11, 1129247), (77, 161321), (353, 35189), (457, 27181), (2471, 5027), (3199, 3883)]