81945388

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{1741}}^1$

素因数の和:1834

約数の個数: 36

約数和(自身を含む): 168082096

約数和(自身を除く): 86136708

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 1681, 1741, 3362, 3482, 6724, 6964, 11767, 12187, 23534, 24374, 47068, 48748, 71381, 142762, 285524, 499667, 999334, 1998668, 2926621, 5853242, 11706484, 20486347, 40972694, 81945388]

約数ペア:

[(1, 81945388), (2, 40972694), (4, 20486347), (7, 11706484), (14, 5853242), (28, 2926621), (41, 1998668), (82, 999334), (164, 499667), (287, 285524), (574, 142762), (1148, 71381), (1681, 48748), (1741, 47068), (3362, 24374), (3482, 23534), (6724, 12187), (6964, 11767)]