81603286

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2943

約数の個数: 16

約数和(自身を含む): 124462800

約数和(自身を除く): 42859514

約数列:

[1, 2, 109, 139, 218, 278, 2693, 5386, 15151, 30302, 293537, 374327, 587074, 748654, 40801643, 81603286]

約数ペア:

[(1, 81603286), (2, 40801643), (109, 748654), (139, 587074), (218, 374327), (278, 293537), (2693, 30302), (5386, 15151)]