66663856

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31327}}^1$

素因数の和:31361

約数の個数: 40

約数和(自身を含む): 155386880

約数和(自身を除く): 88723024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 31327, 62654, 125308, 219289, 250616, 438578, 501232, 595213, 877156, 1190426, 1754312, 2380852, 3508624, 4166491, 4761704, 8332982, 9523408, 16665964, 33331928, 66663856]

約数ペア:

[(1, 66663856), (2, 33331928), (4, 16665964), (7, 9523408), (8, 8332982), (14, 4761704), (16, 4166491), (19, 3508624), (28, 2380852), (38, 1754312), (56, 1190426), (76, 877156), (112, 595213), (133, 501232), (152, 438578), (266, 250616), (304, 219289), (532, 125308), (1064, 62654), (2128, 31327)]