31215316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1787}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 59776416

約数和(自身を除く): 28561100

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1588, 1787, 3574, 4367, 7148, 8734, 17468, 19657, 39314, 78628, 709439, 1418878, 2837756, 7803829, 15607658, 31215316]

約数ペア:

[(1, 31215316), (2, 15607658), (4, 7803829), (11, 2837756), (22, 1418878), (44, 709439), (397, 78628), (794, 39314), (1588, 19657), (1787, 17468), (3574, 8734), (4367, 7148)]