131409728

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{449}}^1$

素因数の和:747

約数の個数: 56

約数和(自身を含む): 277749000

約数和(自身を除く): 146339272

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 269, 272, 449, 538, 544, 898, 1076, 1088, 1796, 2152, 3592, 4304, 4573, 7184, 7633, 8608, 9146, 14368, 15266, 17216, 18292, 28736, 30532, 36584, 61064, 73168, 120781, 122128, 146336, 241562, 244256, 292672, 483124, 488512, 966248, 1932496, 2053277, 3864992, 4106554, 7729984, 8213108, 16426216, 32852432, 65704864, 131409728]

約数ペア:

[(1, 131409728), (2, 65704864), (4, 32852432), (8, 16426216), (16, 8213108), (17, 7729984), (32, 4106554), (34, 3864992), (64, 2053277), (68, 1932496), (136, 966248), (269, 488512), (272, 483124), (449, 292672), (538, 244256), (544, 241562), (898, 146336), (1076, 122128), (1088, 120781), (1796, 73168), (2152, 61064), (3592, 36584), (4304, 30532), (4573, 28736), (7184, 18292), (7633, 17216), (8608, 15266), (9146, 14368)]