87864986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{10267}}^1$

素因数の和:10669

約数の個数: 16

約数和(自身を含む): 144162720

約数和(自身を除く): 56297734

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 10267, 20534, 112937, 225874, 3993863, 7987726, 43932493, 87864986]

約数ペア:

[(1, 87864986), (2, 43932493), (11, 7987726), (22, 3993863), (389, 225874), (778, 112937), (4279, 20534), (8558, 10267)]