266237209

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{2111}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 312238080

約数和(自身を除く): 46000871

約数列:

[1, 7, 43, 301, 419, 2111, 2933, 14777, 18017, 90773, 126119, 635411, 884509, 6191563, 38033887, 266237209]

約数ペア:

[(1, 266237209), (7, 38033887), (43, 6191563), (301, 884509), (419, 635411), (2111, 126119), (2933, 90773), (14777, 18017)]