72889928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 148950000

約数和(自身を除く): 76060072

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 499, 589, 961, 998, 1178, 1922, 1996, 2356, 3844, 3992, 4712, 7688, 9481, 15469, 18259, 18962, 30938, 36518, 37924, 61876, 73036, 75848, 123752, 146072, 293911, 479539, 587822, 959078, 1175644, 1918156, 2351288, 3836312, 9111241, 18222482, 36444964, 72889928]

約数ペア:

[(1, 72889928), (2, 36444964), (4, 18222482), (8, 9111241), (19, 3836312), (31, 2351288), (38, 1918156), (62, 1175644), (76, 959078), (124, 587822), (152, 479539), (248, 293911), (499, 146072), (589, 123752), (961, 75848), (998, 73036), (1178, 61876), (1922, 37924), (1996, 36518), (2356, 30938), (3844, 18962), (3992, 18259), (4712, 15469), (7688, 9481)]