1279261355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1\times {\mathrm{10939}}^1$

素因数の和:12194

約数の個数: 16

約数和(自身を含む): 1617369600

約数和(自身を除く): 338108245

約数列:

[1, 5, 19, 95, 1231, 6155, 10939, 23389, 54695, 116945, 207841, 1039205, 13465909, 67329545, 255852271, 1279261355]

約数ペア:

[(1, 1279261355), (5, 255852271), (19, 67329545), (95, 13465909), (1231, 1039205), (6155, 207841), (10939, 116945), (23389, 54695)]