123839317

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 148051800

約数和(自身を除く): 24212483

約数列:

[1, 7, 49, 73, 89, 389, 511, 623, 2723, 3577, 4361, 6497, 19061, 28397, 34621, 45479, 198779, 242347, 318353, 1391453, 1696429, 2527333, 17691331, 123839317]

約数ペア:

[(1, 123839317), (7, 17691331), (49, 2527333), (73, 1696429), (89, 1391453), (389, 318353), (511, 242347), (623, 198779), (2723, 45479), (3577, 34621), (4361, 28397), (6497, 19061)]