81007738

素因数分解:

$2^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{3907}}^1$

素因数の和:5397

約数の個数: 16

約数和(自身を含む): 138999744

約数和(自身を除く): 57992006

約数列:

[1, 2, 7, 14, 1481, 2962, 3907, 7814, 10367, 20734, 27349, 54698, 5786267, 11572534, 40503869, 81007738]

約数ペア:

[(1, 81007738), (2, 40503869), (7, 11572534), (14, 5786267), (1481, 54698), (2962, 27349), (3907, 20734), (7814, 10367)]