990291348

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{200789}}^1$

素因数の和:200936

約数の個数: 36

約数和(自身を含む): 2521520820

約数和(自身を除く): 1531229472

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 200789, 401578, 602367, 803156, 1204734, 1807101, 2409468, 3614202, 7228404, 27508093, 55016186, 82524279, 110032372, 165048558, 247572837, 330097116, 495145674, 990291348]

約数ペア:

[(1, 990291348), (2, 495145674), (3, 330097116), (4, 247572837), (6, 165048558), (9, 110032372), (12, 82524279), (18, 55016186), (36, 27508093), (137, 7228404), (274, 3614202), (411, 2409468), (548, 1807101), (822, 1204734), (1233, 803156), (1644, 602367), (2466, 401578), (4932, 200789)]