31987356

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61991}}^1$

素因数の和:62041

約数の個数: 24

約数和(自身を含む): 76374144

約数和(自身を除く): 44386788

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 61991, 123982, 185973, 247964, 371946, 743892, 2665613, 5331226, 7996839, 10662452, 15993678, 31987356]

約数ペア:

[(1, 31987356), (2, 15993678), (3, 10662452), (4, 7996839), (6, 5331226), (12, 2665613), (43, 743892), (86, 371946), (129, 247964), (172, 185973), (258, 123982), (516, 61991)]