31381882

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{117977}}^1$

素因数の和:118005

約数の個数: 16

約数和(自身を含む): 56629440

約数和(自身を除く): 25247558

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 117977, 235954, 825839, 1651678, 2241563, 4483126, 15690941, 31381882]

約数ペア:

[(1, 31381882), (2, 15690941), (7, 4483126), (14, 2241563), (19, 1651678), (38, 825839), (133, 235954), (266, 117977)]