27720375788

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1\times {\mathrm{5881}}^1$

素因数の和:8334

約数の個数: 48

約数和(自身を含む): 56254883328

約数和(自身を除く): 28534507540

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 2371, 4742, 5881, 9484, 11762, 16597, 23524, 33194, 41167, 66388, 82334, 164668, 168341, 336682, 417551, 673364, 835102, 1178387, 1670204, 2356774, 2922857, 4713548, 5845714, 11691428, 13943851, 27887702, 55775404, 97606957, 195213914, 390427828, 990013421, 1980026842, 3960053684, 6930093947, 13860187894, 27720375788]

約数ペア:

[(1, 27720375788), (2, 13860187894), (4, 6930093947), (7, 3960053684), (14, 1980026842), (28, 990013421), (71, 390427828), (142, 195213914), (284, 97606957), (497, 55775404), (994, 27887702), (1988, 13943851), (2371, 11691428), (4742, 5845714), (5881, 4713548), (9484, 2922857), (11762, 2356774), (16597, 1670204), (23524, 1178387), (33194, 835102), (41167, 673364), (66388, 417551), (82334, 336682), (164668, 168341)]