12276890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 23572944

約数和(自身を除く): 11296054

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 281, 514, 562, 1285, 1405, 2570, 2810, 4369, 4777, 8738, 9554, 21845, 23885, 43690, 47770, 72217, 144434, 361085, 722170, 1227689, 2455378, 6138445, 12276890]

約数ペア:

[(1, 12276890), (2, 6138445), (5, 2455378), (10, 1227689), (17, 722170), (34, 361085), (85, 144434), (170, 72217), (257, 47770), (281, 43690), (514, 23885), (562, 21845), (1285, 9554), (1405, 8738), (2570, 4777), (2810, 4369)]