31493812

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18439}}^1$

素因数の和:18511

約数の個数: 24

約数和(自身を含む): 64023680

約数和(自身を除く): 32529868

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 18439, 36878, 73756, 129073, 258146, 516292, 1124779, 2249558, 4499116, 7873453, 15746906, 31493812]

約数ペア:

[(1, 31493812), (2, 15746906), (4, 7873453), (7, 4499116), (14, 2249558), (28, 1124779), (61, 516292), (122, 258146), (244, 129073), (427, 73756), (854, 36878), (1708, 18439)]