208219212

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 542942400

約数和(自身を除く): 334723188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 109, 141, 188, 218, 282, 327, 423, 436, 564, 654, 846, 981, 1129, 1308, 1692, 1962, 2258, 3387, 3924, 4516, 5123, 6774, 10161, 10246, 13548, 15369, 20322, 20492, 30738, 40644, 46107, 53063, 61476, 92214, 106126, 123061, 159189, 184428, 212252, 246122, 318378, 369183, 477567, 492244, 636756, 738366, 955134, 1107549, 1476732, 1910268, 2215098, 4430196, 5783867, 11567734, 17351601, 23135468, 34703202, 52054803, 69406404, 104109606, 208219212]

約数ペア:

[(1, 208219212), (2, 104109606), (3, 69406404), (4, 52054803), (6, 34703202), (9, 23135468), (12, 17351601), (18, 11567734), (36, 5783867), (47, 4430196), (94, 2215098), (109, 1910268), (141, 1476732), (188, 1107549), (218, 955134), (282, 738366), (327, 636756), (423, 492244), (436, 477567), (564, 369183), (654, 318378), (846, 246122), (981, 212252), (1129, 184428), (1308, 159189), (1692, 123061), (1962, 106126), (2258, 92214), (3387, 61476), (3924, 53063), (4516, 46107), (5123, 40644), (6774, 30738), (10161, 20492), (10246, 20322), (13548, 15369)]