31125974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19927}}^1$

素因数の和:20011

約数の個数: 16

約数和(自身を含む): 51653376

約数和(自身を除く): 20527402

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19927, 39854, 219197, 438394, 1414817, 2829634, 15562987, 31125974]

約数ペア:

[(1, 31125974), (2, 15562987), (11, 2829634), (22, 1414817), (71, 438394), (142, 219197), (781, 39854), (1562, 19927)]