68641988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{1663}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 127475712

約数和(自身を除く): 58833724

約数列:

[1, 2, 4, 17, 34, 68, 607, 1214, 1663, 2428, 3326, 6652, 10319, 20638, 28271, 41276, 56542, 113084, 1009441, 2018882, 4037764, 17160497, 34320994, 68641988]

約数ペア:

[(1, 68641988), (2, 34320994), (4, 17160497), (17, 4037764), (34, 2018882), (68, 1009441), (607, 113084), (1214, 56542), (1663, 41276), (2428, 28271), (3326, 20638), (6652, 10319)]