251966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:907

約数の個数: 16

約数和(自身を含む): 444528

約数和(自身を除く): 192562

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 881, 1762, 9691, 11453, 19382, 22906, 125983, 251966]

約数ペア:

[(1, 251966), (2, 125983), (11, 22906), (13, 19382), (22, 11453), (26, 9691), (143, 1762), (286, 881)]