208067783

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{21277}}^1$

素因数の和:21422

約数の個数: 16

約数和(自身を含む): 261464064

約数和(自身を除く): 53396281

約数列:

[1, 7, 11, 77, 127, 889, 1397, 9779, 21277, 148939, 234047, 1638329, 2702179, 18915253, 29723969, 208067783]

約数ペア:

[(1, 208067783), (7, 29723969), (11, 18915253), (77, 2702179), (127, 1638329), (889, 234047), (1397, 148939), (9779, 21277)]