78800084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 156408000

約数和(自身を除く): 77607916

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 97, 148, 194, 388, 407, 499, 814, 998, 1067, 1628, 1996, 2134, 3589, 4268, 5489, 7178, 10978, 14356, 18463, 21956, 36926, 39479, 48403, 73852, 78958, 96806, 157916, 193612, 203093, 406186, 532433, 812372, 1064866, 1790911, 2129732, 3581822, 7163644, 19700021, 39400042, 78800084]

約数ペア:

[(1, 78800084), (2, 39400042), (4, 19700021), (11, 7163644), (22, 3581822), (37, 2129732), (44, 1790911), (74, 1064866), (97, 812372), (148, 532433), (194, 406186), (388, 203093), (407, 193612), (499, 157916), (814, 96806), (998, 78958), (1067, 73852), (1628, 48403), (1996, 39479), (2134, 36926), (3589, 21956), (4268, 18463), (5489, 14356), (7178, 10978)]