71768879

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1847}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 91431648

約数和(自身を除く): 19662769

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 1847, 2989, 5551, 12929, 24011, 38857, 90503, 112667, 168077, 788669, 1176539, 1464671, 5520683, 10252697, 71768879]

約数ペア:

[(1, 71768879), (7, 10252697), (13, 5520683), (49, 1464671), (61, 1176539), (91, 788669), (427, 168077), (637, 112667), (793, 90503), (1847, 38857), (2989, 24011), (5551, 12929)]