208903356

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{499}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 548730000

約数和(自身を除く): 339826644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 401, 499, 522, 802, 998, 1044, 1203, 1497, 1604, 1996, 2406, 2994, 3609, 4491, 4812, 5988, 7218, 8982, 11629, 14436, 14471, 17964, 23258, 28942, 34887, 43413, 46516, 57884, 69774, 86826, 104661, 130239, 139548, 173652, 200099, 209322, 260478, 400198, 418644, 520956, 600297, 800396, 1200594, 1800891, 2401188, 3601782, 5802871, 7203564, 11605742, 17408613, 23211484, 34817226, 52225839, 69634452, 104451678, 208903356]

約数ペア:

[(1, 208903356), (2, 104451678), (3, 69634452), (4, 52225839), (6, 34817226), (9, 23211484), (12, 17408613), (18, 11605742), (29, 7203564), (36, 5802871), (58, 3601782), (87, 2401188), (116, 1800891), (174, 1200594), (261, 800396), (348, 600297), (401, 520956), (499, 418644), (522, 400198), (802, 260478), (998, 209322), (1044, 200099), (1203, 173652), (1497, 139548), (1604, 130239), (1996, 104661), (2406, 86826), (2994, 69774), (3609, 57884), (4491, 46516), (4812, 43413), (5988, 34887), (7218, 28942), (8982, 23258), (11629, 17964), (14436, 14471)]