28146503

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 36736896

約数和(自身を除く): 8590393

約数列:

[1, 7, 11, 23, 77, 161, 253, 529, 691, 1771, 3703, 4837, 5819, 7601, 15893, 40733, 53207, 111251, 174823, 365539, 1223761, 2558773, 4020929, 28146503]

約数ペア:

[(1, 28146503), (7, 4020929), (11, 2558773), (23, 1223761), (77, 365539), (161, 174823), (253, 111251), (529, 53207), (691, 40733), (1771, 15893), (3703, 7601), (4837, 5819)]