81505188

素因数分解:

$2^2\times 3^2\times {\mathrm{547}}^1\times {\mathrm{4139}}^1$

素因数の和:4696

約数の個数: 36

約数和(自身を含む): 206453520

約数和(自身を除く): 124948332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 547, 1094, 1641, 2188, 3282, 4139, 4923, 6564, 8278, 9846, 12417, 16556, 19692, 24834, 37251, 49668, 74502, 149004, 2264033, 4528066, 6792099, 9056132, 13584198, 20376297, 27168396, 40752594, 81505188]

約数ペア:

[(1, 81505188), (2, 40752594), (3, 27168396), (4, 20376297), (6, 13584198), (9, 9056132), (12, 6792099), (18, 4528066), (36, 2264033), (547, 149004), (1094, 74502), (1641, 49668), (2188, 37251), (3282, 24834), (4139, 19692), (4923, 16556), (6564, 12417), (8278, 9846)]