81215176

素因数分解:

$2^3\times 7^1\times {\mathrm{1450271}}^1$

素因数の和:1450284

約数の個数: 16

約数和(自身を含む): 174032640

約数和(自身を除く): 92817464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1450271, 2900542, 5801084, 10151897, 11602168, 20303794, 40607588, 81215176]

約数ペア:

[(1, 81215176), (2, 40607588), (4, 20303794), (7, 11602168), (8, 10151897), (14, 5801084), (28, 2900542), (56, 1450271)]