81409188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138451}}^1$

素因数の和:138472

約数の個数: 36

約数和(自身を含む): 220969392

約数和(自身を除く): 139560204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138451, 276902, 415353, 553804, 830706, 969157, 1661412, 1938314, 2907471, 3876628, 5814942, 6784099, 11629884, 13568198, 20352297, 27136396, 40704594, 81409188]

約数ペア:

[(1, 81409188), (2, 40704594), (3, 27136396), (4, 20352297), (6, 13568198), (7, 11629884), (12, 6784099), (14, 5814942), (21, 3876628), (28, 2907471), (42, 1938314), (49, 1661412), (84, 969157), (98, 830706), (147, 553804), (196, 415353), (294, 276902), (588, 138451)]