620488

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 1280790

約数和(自身を除く): 660302

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 641, 968, 1282, 2564, 5128, 7051, 14102, 28204, 56408, 77561, 155122, 310244, 620488]

約数ペア:

[(1, 620488), (2, 310244), (4, 155122), (8, 77561), (11, 56408), (22, 28204), (44, 14102), (88, 7051), (121, 5128), (242, 2564), (484, 1282), (641, 968)]