81864804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{974581}}^1$

素因数の和:974595

約数の個数: 24

約数和(自身を含む): 218306368

約数和(自身を除く): 136441564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 974581, 1949162, 2923743, 3898324, 5847486, 6822067, 11694972, 13644134, 20466201, 27288268, 40932402, 81864804]

約数ペア:

[(1, 81864804), (2, 40932402), (3, 27288268), (4, 20466201), (6, 13644134), (7, 11694972), (12, 6822067), (14, 5847486), (21, 3898324), (28, 2923743), (42, 1949162), (84, 974581)]