81497964

素因数分解:

$2^2\times 3^1\times {\mathrm{2131}}^1\times {\mathrm{3187}}^1$

素因数の和:5325

約数の個数: 24

約数和(自身を含む): 190310848

約数和(自身を除く): 108812884

約数列:

[1, 2, 3, 4, 6, 12, 2131, 3187, 4262, 6374, 6393, 8524, 9561, 12748, 12786, 19122, 25572, 38244, 6791497, 13582994, 20374491, 27165988, 40748982, 81497964]

約数ペア:

[(1, 81497964), (2, 40748982), (3, 27165988), (4, 20374491), (6, 13582994), (12, 6791497), (2131, 38244), (3187, 25572), (4262, 19122), (6374, 12786), (6393, 12748), (8524, 9561)]