123072268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{20123}}^1$

素因数の和:20277

約数の個数: 24

約数和(自身を含む): 236658240

約数和(自身を除く): 113585972

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 6116, 20123, 40246, 80492, 221353, 442706, 885412, 2797097, 5594194, 11188388, 30768067, 61536134, 123072268]

約数ペア:

[(1, 123072268), (2, 61536134), (4, 30768067), (11, 11188388), (22, 5594194), (44, 2797097), (139, 885412), (278, 442706), (556, 221353), (1529, 80492), (3058, 40246), (6116, 20123)]