217261884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19447}}^1$

素因数の和:19487

約数の個数: 72

約数和(自身を含む): 620780160

約数和(自身を除く): 403518276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 19447, 38894, 58341, 77788, 116682, 136129, 233364, 272258, 369493, 408387, 544516, 738986, 816774, 952903, 1108479, 1477972, 1633548, 1905806, 2216958, 2586451, 2858709, 3811612, 4433916, 5172902, 5717418, 7759353, 10345804, 11434836, 15518706, 18105157, 31037412, 36210314, 54315471, 72420628, 108630942, 217261884]

約数ペア:

[(1, 217261884), (2, 108630942), (3, 72420628), (4, 54315471), (6, 36210314), (7, 31037412), (12, 18105157), (14, 15518706), (19, 11434836), (21, 10345804), (28, 7759353), (38, 5717418), (42, 5172902), (49, 4433916), (57, 3811612), (76, 2858709), (84, 2586451), (98, 2216958), (114, 1905806), (133, 1633548), (147, 1477972), (196, 1108479), (228, 952903), (266, 816774), (294, 738986), (399, 544516), (532, 408387), (588, 369493), (798, 272258), (931, 233364), (1596, 136129), (1862, 116682), (2793, 77788), (3724, 58341), (5586, 38894), (11172, 19447)]