208309716

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2539}}^1$

素因数の和:2645

約数の個数: 72

約数和(自身を含む): 549188640

約数和(自身を除く): 340878924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 477, 516, 636, 774, 954, 1548, 1908, 2279, 2539, 4558, 5078, 6837, 7617, 9116, 10156, 13674, 15234, 20511, 22851, 27348, 30468, 41022, 45702, 82044, 91404, 109177, 134567, 218354, 269134, 327531, 403701, 436708, 538268, 655062, 807402, 982593, 1211103, 1310124, 1614804, 1965186, 2422206, 3930372, 4844412, 5786381, 11572762, 17359143, 23145524, 34718286, 52077429, 69436572, 104154858, 208309716]

約数ペア:

[(1, 208309716), (2, 104154858), (3, 69436572), (4, 52077429), (6, 34718286), (9, 23145524), (12, 17359143), (18, 11572762), (36, 5786381), (43, 4844412), (53, 3930372), (86, 2422206), (106, 1965186), (129, 1614804), (159, 1310124), (172, 1211103), (212, 982593), (258, 807402), (318, 655062), (387, 538268), (477, 436708), (516, 403701), (636, 327531), (774, 269134), (954, 218354), (1548, 134567), (1908, 109177), (2279, 91404), (2539, 82044), (4558, 45702), (5078, 41022), (6837, 30468), (7617, 27348), (9116, 22851), (10156, 20511), (13674, 15234)]