26991055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 40247424

約数和(自身を除く): 13256369

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 433, 455, 685, 959, 1781, 2165, 3031, 4795, 5629, 8905, 12467, 15155, 28145, 39403, 59321, 62335, 197015, 296605, 415247, 771173, 2076235, 3855865, 5398211, 26991055]

約数ペア:

[(1, 26991055), (5, 5398211), (7, 3855865), (13, 2076235), (35, 771173), (65, 415247), (91, 296605), (137, 197015), (433, 62335), (455, 59321), (685, 39403), (959, 28145), (1781, 15155), (2165, 12467), (3031, 8905), (4795, 5629)]