208993612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{19889}}^1$

素因数の和:20001

約数の個数: 24

約数和(自身を含む): 380933280

約数和(自身を除く): 171939668

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2627, 5254, 10508, 19889, 39778, 79556, 735893, 1412119, 1471786, 2824238, 2943572, 5648476, 52248403, 104496806, 208993612]

約数ペア:

[(1, 208993612), (2, 104496806), (4, 52248403), (37, 5648476), (71, 2943572), (74, 2824238), (142, 1471786), (148, 1412119), (284, 735893), (2627, 79556), (5254, 39778), (10508, 19889)]