66517904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 133235520

約数和(自身を除く): 66717616

約数列:

[1, 2, 4, 8, 16, 43, 86, 109, 172, 218, 344, 436, 688, 872, 887, 1744, 1774, 3548, 4687, 7096, 9374, 14192, 18748, 37496, 38141, 74992, 76282, 96683, 152564, 193366, 305128, 386732, 610256, 773464, 1546928, 4157369, 8314738, 16629476, 33258952, 66517904]

約数ペア:

[(1, 66517904), (2, 33258952), (4, 16629476), (8, 8314738), (16, 4157369), (43, 1546928), (86, 773464), (109, 610256), (172, 386732), (218, 305128), (344, 193366), (436, 152564), (688, 96683), (872, 76282), (887, 74992), (1744, 38141), (1774, 37496), (3548, 18748), (4687, 14192), (7096, 9374)]