81287998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{46771}}^1$

素因数の和:46863

約数の個数: 16

約数和(自身を含む): 134703360

約数和(自身を除く): 53415362

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 46771, 93542, 514481, 1028962, 3694909, 7389818, 40643999, 81287998]

約数ペア:

[(1, 81287998), (2, 40643999), (11, 7389818), (22, 3694909), (79, 1028962), (158, 514481), (869, 93542), (1738, 46771)]