81889792

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 80

約数和(自身を含む): 173238912

約数和(自身を除く): 91349120

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 64, 82, 83, 94, 128, 164, 166, 188, 256, 328, 332, 376, 512, 656, 664, 752, 1312, 1328, 1504, 1927, 2624, 2656, 3008, 3403, 3854, 3901, 5248, 5312, 6016, 6806, 7708, 7802, 10496, 10624, 12032, 13612, 15416, 15604, 20992, 21248, 24064, 27224, 30832, 31208, 42496, 54448, 61664, 62416, 108896, 123328, 124832, 159941, 217792, 246656, 249664, 319882, 435584, 493312, 499328, 639764, 871168, 986624, 998656, 1279528, 1742336, 1997312, 2559056, 5118112, 10236224, 20472448, 40944896, 81889792]

約数ペア:

[(1, 81889792), (2, 40944896), (4, 20472448), (8, 10236224), (16, 5118112), (32, 2559056), (41, 1997312), (47, 1742336), (64, 1279528), (82, 998656), (83, 986624), (94, 871168), (128, 639764), (164, 499328), (166, 493312), (188, 435584), (256, 319882), (328, 249664), (332, 246656), (376, 217792), (512, 159941), (656, 124832), (664, 123328), (752, 108896), (1312, 62416), (1328, 61664), (1504, 54448), (1927, 42496), (2624, 31208), (2656, 30832), (3008, 27224), (3403, 24064), (3854, 21248), (3901, 20992), (5248, 15604), (5312, 15416), (6016, 13612), (6806, 12032), (7708, 10624), (7802, 10496)]