27689956

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 57770496

約数和(自身を除く): 30080540

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 329, 371, 397, 658, 742, 794, 1316, 1484, 1588, 2491, 2779, 4982, 5558, 9964, 11116, 17437, 18659, 21041, 34874, 37318, 42082, 69748, 74636, 84164, 130613, 147287, 261226, 294574, 522452, 589148, 988927, 1977854, 3955708, 6922489, 13844978, 27689956]

約数ペア:

[(1, 27689956), (2, 13844978), (4, 6922489), (7, 3955708), (14, 1977854), (28, 988927), (47, 589148), (53, 522452), (94, 294574), (106, 261226), (188, 147287), (212, 130613), (329, 84164), (371, 74636), (397, 69748), (658, 42082), (742, 37318), (794, 34874), (1316, 21041), (1484, 18659), (1588, 17437), (2491, 11116), (2779, 9964), (4982, 5558)]