2003991938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{299909}}^1$

素因数の和:300181

約数の個数: 16

約数和(自身を含む): 3249824760

約数和(自身を除く): 1245832822

約数列:

[1, 2, 13, 26, 257, 514, 3341, 6682, 299909, 599818, 3898817, 7797634, 77076613, 154153226, 1001995969, 2003991938]

約数ペア:

[(1, 2003991938), (2, 1001995969), (13, 154153226), (26, 77076613), (257, 7797634), (514, 3898817), (3341, 599818), (6682, 299909)]