217790776

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 476282880

約数和(自身を除く): 258492104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 127, 226, 254, 271, 452, 508, 542, 791, 889, 904, 1016, 1084, 1582, 1778, 1897, 2168, 3164, 3556, 3794, 6328, 7112, 7588, 14351, 15176, 28702, 30623, 34417, 57404, 61246, 68834, 100457, 114808, 122492, 137668, 200914, 214361, 240919, 244984, 275336, 401828, 428722, 481838, 803656, 857444, 963676, 1714888, 1927352, 3889121, 7778242, 15556484, 27223847, 31112968, 54447694, 108895388, 217790776]

約数ペア:

[(1, 217790776), (2, 108895388), (4, 54447694), (7, 31112968), (8, 27223847), (14, 15556484), (28, 7778242), (56, 3889121), (113, 1927352), (127, 1714888), (226, 963676), (254, 857444), (271, 803656), (452, 481838), (508, 428722), (542, 401828), (791, 275336), (889, 244984), (904, 240919), (1016, 214361), (1084, 200914), (1582, 137668), (1778, 122492), (1897, 114808), (2168, 100457), (3164, 68834), (3556, 61246), (3794, 57404), (6328, 34417), (7112, 30623), (7588, 28702), (14351, 15176)]