81611618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1\times {\mathrm{2153}}^1$

素因数の和:3889

約数の個数: 16

約数和(自身を含む): 133685856

約数和(自身を除く): 52074238

約数列:

[1, 2, 11, 22, 1723, 2153, 3446, 4306, 18953, 23683, 37906, 47366, 3709619, 7419238, 40805809, 81611618]

約数ペア:

[(1, 81611618), (2, 40805809), (11, 7419238), (22, 3709619), (1723, 47366), (2153, 37906), (3446, 23683), (4306, 18953)]