7977245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 10169280

約数和(自身を除く): 2192035

約数列:

[1, 5, 19, 95, 131, 641, 655, 2489, 3205, 12179, 12445, 60895, 83971, 419855, 1595449, 7977245]

約数ペア:

[(1, 7977245), (5, 1595449), (19, 419855), (95, 83971), (131, 60895), (641, 12445), (655, 12179), (2489, 3205)]