639409496

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{660547}}^1$

素因数の和:660575

約数の個数: 24

約数和(自身を含む): 1317793260

約数和(自身を除く): 678383764

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 660547, 1321094, 2642188, 5284376, 7266017, 14532034, 29064068, 58128136, 79926187, 159852374, 319704748, 639409496]

約数ペア:

[(1, 639409496), (2, 319704748), (4, 159852374), (8, 79926187), (11, 58128136), (22, 29064068), (44, 14532034), (88, 7266017), (121, 5284376), (242, 2642188), (484, 1321094), (968, 660547)]