81138947.000000000

素因数分解:

$2^4\times {\mathrm{1951}}^1\times {\mathrm{3217}}^1$

素因数の和:5176

約数の個数: 20

約数和(自身を含む): 194727616

約数和(自身を除く): 94305744

約数列:

[1, 2, 4, 8, 16, 1951, 3217, 3902, 6434, 7804, 12868, 15608, 25736, 31216, 51472, 6276367, 12552734, 25105468, 50210936, 100421872]

約数ペア:

[(1, 100421872), (2, 50210936), (4, 25105468), (8, 12552734), (16, 6276367), (1951, 51472), (3217, 31216), (3902, 25736), (6434, 15608), (7804, 12868)]