890274418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{142993}}^1$

素因数の和:143289

約数の個数: 16

約数和(自身を含む): 1461970656

約数和(自身を除く): 571696238

約数列:

[1, 2, 11, 22, 283, 566, 3113, 6226, 142993, 285986, 1572923, 3145846, 40467019, 80934038, 445137209, 890274418]

約数ペア:

[(1, 890274418), (2, 445137209), (11, 80934038), (22, 40467019), (283, 3145846), (566, 1572923), (3113, 285986), (6226, 142993)]