13975591

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 16505856

約数和(自身を除く): 2530265

約数列:

[1, 7, 47, 107, 329, 397, 749, 2779, 5029, 18659, 35203, 42479, 130613, 297353, 1996513, 13975591]

約数ペア:

[(1, 13975591), (7, 1996513), (47, 297353), (107, 130613), (329, 42479), (397, 35203), (749, 18659), (2779, 5029)]