64005865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2003}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 96961536

約数和(自身を除く): 32955671

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 385, 415, 581, 913, 2003, 2905, 4565, 6391, 10015, 14021, 22033, 31955, 70105, 110165, 154231, 166249, 771155, 831245, 1163743, 1828739, 5818715, 9143695, 12801173, 64005865]

約数ペア:

[(1, 64005865), (5, 12801173), (7, 9143695), (11, 5818715), (35, 1828739), (55, 1163743), (77, 831245), (83, 771155), (385, 166249), (415, 154231), (581, 110165), (913, 70105), (2003, 31955), (2905, 22033), (4565, 14021), (6391, 10015)]