78419908

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20149}}^1$

素因数の和:20299

約数の個数: 24

約数和(自身を含む): 157976000

約数和(自身を除く): 79556092

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20149, 40298, 80596, 141043, 282086, 564172, 2800711, 5601422, 11202844, 19604977, 39209954, 78419908]

約数ペア:

[(1, 78419908), (2, 39209954), (4, 19604977), (7, 11202844), (14, 5601422), (28, 2800711), (139, 564172), (278, 282086), (556, 141043), (973, 80596), (1946, 40298), (3892, 20149)]