12781668

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 31018176

約数和(自身を除く): 18236508

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 83, 123, 164, 166, 246, 249, 313, 332, 492, 498, 626, 939, 996, 1252, 1878, 3403, 3756, 6806, 10209, 12833, 13612, 20418, 25666, 25979, 38499, 40836, 51332, 51958, 76998, 77937, 103916, 153996, 155874, 311748, 1065139, 2130278, 3195417, 4260556, 6390834, 12781668]

約数ペア:

[(1, 12781668), (2, 6390834), (3, 4260556), (4, 3195417), (6, 2130278), (12, 1065139), (41, 311748), (82, 155874), (83, 153996), (123, 103916), (164, 77937), (166, 76998), (246, 51958), (249, 51332), (313, 40836), (332, 38499), (492, 25979), (498, 25666), (626, 20418), (939, 13612), (996, 12833), (1252, 10209), (1878, 6806), (3403, 3756)]