81320656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5641}}^1$

素因数の和:5719

約数の個数: 40

約数和(自身を含む): 170004744

約数和(自身を除く): 88684088

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1802, 3604, 5641, 7208, 11282, 14416, 22564, 45128, 90256, 95897, 191794, 298973, 383588, 597946, 767176, 1195892, 1534352, 2391784, 4783568, 5082541, 10165082, 20330164, 40660328, 81320656]

約数ペア:

[(1, 81320656), (2, 40660328), (4, 20330164), (8, 10165082), (16, 5082541), (17, 4783568), (34, 2391784), (53, 1534352), (68, 1195892), (106, 767176), (136, 597946), (212, 383588), (272, 298973), (424, 191794), (848, 95897), (901, 90256), (1802, 45128), (3604, 22564), (5641, 14416), (7208, 11282)]