291218032

素因数分解:

$2^4\times 7^1\times {\mathrm{2600161}}^1$

素因数の和:2600176

約数の個数: 20

約数和(自身を含む): 644840176

約数和(自身を除く): 353622144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2600161, 5200322, 10400644, 18201127, 20801288, 36402254, 41602576, 72804508, 145609016, 291218032]

約数ペア:

[(1, 291218032), (2, 145609016), (4, 72804508), (7, 41602576), (8, 36402254), (14, 20801288), (16, 18201127), (28, 10400644), (56, 5200322), (112, 2600161)]