81804404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{43237}}^1$

素因数の和:43295

約数の個数: 24

約数和(自身を含む): 159807648

約数和(自身を除く): 78003244

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 43237, 86474, 172948, 475607, 951214, 1859191, 1902428, 3718382, 7436764, 20451101, 40902202, 81804404]

約数ペア:

[(1, 81804404), (2, 40902202), (4, 20451101), (11, 7436764), (22, 3718382), (43, 1902428), (44, 1859191), (86, 951214), (172, 475607), (473, 172948), (946, 86474), (1892, 43237)]