218630986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 399409920

約数和(自身を除く): 180778934

約数列:

[1, 2, 7, 14, 19, 38, 133, 181, 239, 266, 361, 362, 478, 722, 1267, 1673, 2527, 2534, 3346, 3439, 4541, 5054, 6878, 9082, 24073, 31787, 43259, 48146, 63574, 65341, 86279, 86518, 130682, 172558, 302813, 457387, 603953, 605626, 821921, 914774, 1207906, 1643842, 5753447, 11506894, 15616499, 31232998, 109315493, 218630986]

約数ペア:

[(1, 218630986), (2, 109315493), (7, 31232998), (14, 15616499), (19, 11506894), (38, 5753447), (133, 1643842), (181, 1207906), (239, 914774), (266, 821921), (361, 605626), (362, 603953), (478, 457387), (722, 302813), (1267, 172558), (1673, 130682), (2527, 86518), (2534, 86279), (3346, 65341), (3439, 63574), (4541, 48146), (5054, 43259), (6878, 31787), (9082, 24073)]