201990131446

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{81382003}}^1$

素因数の和:81382095

約数の個数: 16

約数和(自身を含む): 325202487984

約数和(自身を除く): 123212356538

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 81382003, 162764006, 1383494051, 2766988102, 5940886219, 11881772438, 100995065723, 201990131446]

約数ペア:

[(1, 201990131446), (2, 100995065723), (17, 11881772438), (34, 5940886219), (73, 2766988102), (146, 1383494051), (1241, 162764006), (2482, 81382003)]