7219289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 9642240

約数和(自身を除く): 2422951

約数列:

[1, 7, 11, 29, 53, 61, 77, 203, 319, 371, 427, 583, 671, 1537, 1769, 2233, 3233, 4081, 4697, 10759, 12383, 16907, 19459, 22631, 35563, 93757, 118349, 136213, 248941, 656299, 1031327, 7219289]

約数ペア:

[(1, 7219289), (7, 1031327), (11, 656299), (29, 248941), (53, 136213), (61, 118349), (77, 93757), (203, 35563), (319, 22631), (371, 19459), (427, 16907), (583, 12383), (671, 10759), (1537, 4697), (1769, 4081), (2233, 3233)]