81909794

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1\times {\mathrm{619}}^1$

素因数の和:1337

約数の個数: 16

約数和(自身を含む): 124396800

約数和(自身を除く): 42487006

約数列:

[1, 2, 109, 218, 607, 619, 1214, 1238, 66163, 67471, 132326, 134942, 375733, 751466, 40954897, 81909794]

約数ペア:

[(1, 81909794), (2, 40954897), (109, 751466), (218, 375733), (607, 134942), (619, 132326), (1214, 67471), (1238, 66163)]