128742404

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 278853120

約数和(自身を除く): 150110716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 181, 191, 196, 266, 362, 382, 532, 724, 764, 931, 1267, 1337, 1862, 2534, 2674, 3439, 3629, 3724, 5068, 5348, 6878, 7258, 8869, 9359, 13756, 14516, 17738, 18718, 24073, 25403, 34571, 35476, 37436, 48146, 50806, 69142, 96292, 101612, 138284, 168511, 177821, 241997, 337022, 355642, 483994, 656849, 674044, 711284, 967988, 1313698, 1693979, 2627396, 3387958, 4597943, 6775916, 9195886, 18391772, 32185601, 64371202, 128742404]

約数ペア:

[(1, 128742404), (2, 64371202), (4, 32185601), (7, 18391772), (14, 9195886), (19, 6775916), (28, 4597943), (38, 3387958), (49, 2627396), (76, 1693979), (98, 1313698), (133, 967988), (181, 711284), (191, 674044), (196, 656849), (266, 483994), (362, 355642), (382, 337022), (532, 241997), (724, 177821), (764, 168511), (931, 138284), (1267, 101612), (1337, 96292), (1862, 69142), (2534, 50806), (2674, 48146), (3439, 37436), (3629, 35476), (3724, 34571), (5068, 25403), (5348, 24073), (6878, 18718), (7258, 17738), (8869, 14516), (9359, 13756)]