488906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 16

約数和(自身を含む): 813888

約数和(自身を除く): 324982

約数列:

[1, 2, 11, 22, 71, 142, 313, 626, 781, 1562, 3443, 6886, 22223, 44446, 244453, 488906]

約数ペア:

[(1, 488906), (2, 244453), (11, 44446), (22, 22223), (71, 6886), (142, 3443), (313, 1562), (626, 781)]