27999884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 59122224

約数和(自身を除く): 31122340

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 83, 121, 164, 166, 187, 242, 332, 374, 451, 484, 697, 748, 902, 913, 1394, 1411, 1804, 1826, 2057, 2788, 2822, 3403, 3652, 4114, 4961, 5644, 6806, 7667, 8228, 9922, 10043, 13612, 15334, 15521, 19844, 20086, 30668, 31042, 37433, 40172, 57851, 62084, 74866, 84337, 115702, 149732, 168674, 170731, 231404, 337348, 341462, 411763, 636361, 682924, 823526, 1272722, 1647052, 2545444, 6999971, 13999942, 27999884]

約数ペア:

[(1, 27999884), (2, 13999942), (4, 6999971), (11, 2545444), (17, 1647052), (22, 1272722), (34, 823526), (41, 682924), (44, 636361), (68, 411763), (82, 341462), (83, 337348), (121, 231404), (164, 170731), (166, 168674), (187, 149732), (242, 115702), (332, 84337), (374, 74866), (451, 62084), (484, 57851), (697, 40172), (748, 37433), (902, 31042), (913, 30668), (1394, 20086), (1411, 19844), (1804, 15521), (1826, 15334), (2057, 13612), (2788, 10043), (2822, 9922), (3403, 8228), (3652, 7667), (4114, 6806), (4961, 5644)]