25428277

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 7141067

約数列:

[1, 7, 17, 31, 61, 113, 119, 217, 427, 527, 791, 1037, 1891, 1921, 3503, 3689, 6893, 7259, 13237, 13447, 24521, 32147, 48251, 59551, 117181, 213683, 225029, 416857, 820267, 1495781, 3632611, 25428277]

約数ペア:

[(1, 25428277), (7, 3632611), (17, 1495781), (31, 820267), (61, 416857), (113, 225029), (119, 213683), (217, 117181), (427, 59551), (527, 48251), (791, 32147), (1037, 24521), (1891, 13447), (1921, 13237), (3503, 7259), (3689, 6893)]