81120026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66383}}^1$

素因数の和:66445

約数の個数: 16

約数和(自身を含む): 133830144

約数和(自身を除く): 52710118

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 66383, 132766, 862979, 1725958, 3120001, 6240002, 40560013, 81120026]

約数ペア:

[(1, 81120026), (2, 40560013), (13, 6240002), (26, 3120001), (47, 1725958), (94, 862979), (611, 132766), (1222, 66383)]