28043455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 11380865

約数列:

[1, 5, 11, 17, 55, 85, 89, 187, 337, 445, 935, 979, 1513, 1685, 3707, 4895, 5729, 7565, 16643, 18535, 28645, 29993, 63019, 83215, 149965, 315095, 329923, 509881, 1649615, 2549405, 5608691, 28043455]

約数ペア:

[(1, 28043455), (5, 5608691), (11, 2549405), (17, 1649615), (55, 509881), (85, 329923), (89, 315095), (187, 149965), (337, 83215), (445, 63019), (935, 29993), (979, 28645), (1513, 18535), (1685, 16643), (3707, 7565), (4895, 5729)]