81261658

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{7213}}^1$

素因数の和:7389

約数の個数: 16

約数和(自身を含む): 125696736

約数和(自身を除く): 44435078

約数列:

[1, 2, 43, 86, 131, 262, 5633, 7213, 11266, 14426, 310159, 620318, 944903, 1889806, 40630829, 81261658]

約数ペア:

[(1, 81261658), (2, 40630829), (43, 1889806), (86, 944903), (131, 620318), (262, 310159), (5633, 14426), (7213, 11266)]