1991231438

素因数分解:

$2^1\times 7^1\times {\mathrm{2287}}^1\times {\mathrm{62191}}^1$

素因数の和:64487

約数の個数: 16

約数和(自身を含む): 3415087104

約数和(自身を除く): 1423855666

約数列:

[1, 2, 7, 14, 2287, 4574, 16009, 32018, 62191, 124382, 435337, 870674, 142230817, 284461634, 995615719, 1991231438]

約数ペア:

[(1, 1991231438), (2, 995615719), (7, 284461634), (14, 142230817), (2287, 870674), (4574, 435337), (16009, 124382), (32018, 62191)]