221764352

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 470937600

約数和(自身を除く): 249173248

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 254, 256, 304, 359, 508, 608, 718, 1016, 1216, 1436, 2032, 2413, 2432, 2872, 4064, 4826, 4864, 5744, 6821, 8128, 9652, 11488, 13642, 16256, 19304, 22976, 27284, 32512, 38608, 45593, 45952, 54568, 77216, 91186, 91904, 109136, 154432, 182372, 218272, 308864, 364744, 436544, 617728, 729488, 866267, 873088, 1458976, 1732534, 1746176, 2917952, 3465068, 5835904, 6930136, 11671808, 13860272, 27720544, 55441088, 110882176, 221764352]

約数ペア:

[(1, 221764352), (2, 110882176), (4, 55441088), (8, 27720544), (16, 13860272), (19, 11671808), (32, 6930136), (38, 5835904), (64, 3465068), (76, 2917952), (127, 1746176), (128, 1732534), (152, 1458976), (254, 873088), (256, 866267), (304, 729488), (359, 617728), (508, 436544), (608, 364744), (718, 308864), (1016, 218272), (1216, 182372), (1436, 154432), (2032, 109136), (2413, 91904), (2432, 91186), (2872, 77216), (4064, 54568), (4826, 45952), (4864, 45593), (5744, 38608), (6821, 32512), (8128, 27284), (9652, 22976), (11488, 19304), (13642, 16256)]