81207784

素因数分解:

$2^3\times 7^1\times {\mathrm{1450139}}^1$

素因数の和:1450152

約数の個数: 16

約数和(自身を含む): 174016800

約数和(自身を除く): 92809016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1450139, 2900278, 5800556, 10150973, 11601112, 20301946, 40603892, 81207784]

約数ペア:

[(1, 81207784), (2, 40603892), (4, 20301946), (7, 11601112), (8, 10150973), (14, 5800556), (28, 2900278), (56, 1450139)]