646965137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{309109}}^1$

素因数の和:309152

約数の個数: 16

約数和(自身を含む): 830887680

約数和(自身を除く): 183922543

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 309109, 2163763, 4018417, 7109507, 28128919, 49766549, 92423591, 646965137]

約数ペア:

[(1, 646965137), (7, 92423591), (13, 49766549), (23, 28128919), (91, 7109507), (161, 4018417), (299, 2163763), (2093, 309109)]