28891030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 59641920

約数和(自身を除く): 30750890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1061, 1945, 2122, 2723, 3890, 5305, 5446, 7427, 10610, 13615, 14854, 27230, 37135, 74270, 412729, 825458, 2063645, 2889103, 4127290, 5778206, 14445515, 28891030]

約数ペア:

[(1, 28891030), (2, 14445515), (5, 5778206), (7, 4127290), (10, 2889103), (14, 2063645), (35, 825458), (70, 412729), (389, 74270), (778, 37135), (1061, 27230), (1945, 14854), (2122, 13615), (2723, 10610), (3890, 7427), (5305, 5446)]