81452668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{2879}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 155796480

約数和(自身を除く): 74343812

約数列:

[1, 2, 4, 11, 22, 44, 643, 1286, 2572, 2879, 5758, 7073, 11516, 14146, 28292, 31669, 63338, 126676, 1851197, 3702394, 7404788, 20363167, 40726334, 81452668]

約数ペア:

[(1, 81452668), (2, 40726334), (4, 20363167), (11, 7404788), (22, 3702394), (44, 1851197), (643, 126676), (1286, 63338), (2572, 31669), (2879, 28292), (5758, 14146), (7073, 11516)]