638181834

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{36919}}^1$

素因数の和:37034

約数の個数: 32

約数和(自身を含む): 1325575680

約数和(自身を除く): 687393846

約数列:

[1, 2, 3, 6, 43, 67, 86, 129, 134, 201, 258, 402, 2881, 5762, 8643, 17286, 36919, 73838, 110757, 221514, 1587517, 2473573, 3175034, 4762551, 4947146, 7420719, 9525102, 14841438, 106363639, 212727278, 319090917, 638181834]

約数ペア:

[(1, 638181834), (2, 319090917), (3, 212727278), (6, 106363639), (43, 14841438), (67, 9525102), (86, 7420719), (129, 4947146), (134, 4762551), (201, 3175034), (258, 2473573), (402, 1587517), (2881, 221514), (5762, 110757), (8643, 73838), (17286, 36919)]