31338406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20063}}^1$

素因数の和:20147

約数の個数: 16

約数和(自身を含む): 52005888

約数和(自身を除く): 20667482

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20063, 40126, 220693, 441386, 1424473, 2848946, 15669203, 31338406]

約数ペア:

[(1, 31338406), (2, 15669203), (11, 2848946), (22, 1424473), (71, 441386), (142, 220693), (781, 40126), (1562, 20063)]