66881864

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 148321980

約数和(自身を除く): 81440116

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 392, 427, 488, 854, 1708, 2797, 2989, 3416, 5594, 5978, 11188, 11956, 19579, 22376, 23912, 39158, 78316, 137053, 156632, 170617, 274106, 341234, 548212, 682468, 1096424, 1194319, 1364936, 2388638, 4777276, 8360233, 9554552, 16720466, 33440932, 66881864]

約数ペア:

[(1, 66881864), (2, 33440932), (4, 16720466), (7, 9554552), (8, 8360233), (14, 4777276), (28, 2388638), (49, 1364936), (56, 1194319), (61, 1096424), (98, 682468), (122, 548212), (196, 341234), (244, 274106), (392, 170617), (427, 156632), (488, 137053), (854, 78316), (1708, 39158), (2797, 23912), (2989, 22376), (3416, 19579), (5594, 11956), (5978, 11188)]