90905878

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 163692144

約数和(自身を除く): 72786266

約数列:

[1, 2, 7, 14, 49, 73, 97, 98, 131, 146, 194, 262, 511, 679, 917, 1022, 1358, 1834, 3577, 4753, 6419, 7081, 7154, 9506, 9563, 12707, 12838, 14162, 19126, 25414, 49567, 66941, 88949, 99134, 133882, 177898, 346969, 468587, 622643, 693938, 927611, 937174, 1245286, 1855222, 6493277, 12986554, 45452939, 90905878]

約数ペア:

[(1, 90905878), (2, 45452939), (7, 12986554), (14, 6493277), (49, 1855222), (73, 1245286), (97, 937174), (98, 927611), (131, 693938), (146, 622643), (194, 468587), (262, 346969), (511, 177898), (679, 133882), (917, 99134), (1022, 88949), (1358, 66941), (1834, 49567), (3577, 25414), (4753, 19126), (6419, 14162), (7081, 12838), (7154, 12707), (9506, 9563)]