12865489

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 16981440

約数和(自身を除く): 4115951

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1063, 1729, 7441, 12103, 13819, 20197, 52087, 96733, 141379, 262561, 677131, 989653, 1837927, 12865489]

約数ペア:

[(1, 12865489), (7, 1837927), (13, 989653), (19, 677131), (49, 262561), (91, 141379), (133, 96733), (247, 52087), (637, 20197), (931, 13819), (1063, 12103), (1729, 7441)]