1289744911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{108191}}^1$

素因数の和:108342

約数の個数: 16

約数和(自身を含む): 1599510528

約数和(自身を除く): 309765617

約数列:

[1, 7, 13, 91, 131, 917, 1703, 11921, 108191, 757337, 1406483, 9845381, 14173021, 99211147, 184249273, 1289744911]

約数ペア:

[(1, 1289744911), (7, 184249273), (13, 99211147), (91, 14173021), (131, 9845381), (917, 1406483), (1703, 757337), (11921, 108191)]