81185272

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5641}}^1$

素因数の和:5911

約数の個数: 32

約数和(自身を含む): 174676320

約数和(自身を除く): 93491048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 5641, 7196, 11282, 14392, 22564, 39487, 45128, 78974, 157948, 315896, 1449737, 2899474, 5798948, 10148159, 11597896, 20296318, 40592636, 81185272]

約数ペア:

[(1, 81185272), (2, 40592636), (4, 20296318), (7, 11597896), (8, 10148159), (14, 5798948), (28, 2899474), (56, 1449737), (257, 315896), (514, 157948), (1028, 78974), (1799, 45128), (2056, 39487), (3598, 22564), (5641, 14392), (7196, 11282)]