39940378

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1686

約数の個数: 24

約数和(自身を含む): 65162592

約数和(自身を除く): 25222214

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 1462, 1607, 3214, 12427, 24854, 27319, 54638, 69101, 138202, 464423, 928846, 1174717, 2349434, 19970189, 39940378]

約数ペア:

[(1, 39940378), (2, 19970189), (17, 2349434), (34, 1174717), (43, 928846), (86, 464423), (289, 138202), (578, 69101), (731, 54638), (1462, 27319), (1607, 24854), (3214, 12427)]