81245138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{46639}}^1$

素因数の和:46721

約数の個数: 16

約数和(自身を含む): 133203840

約数和(自身を除く): 51958702

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 46639, 93278, 606307, 1212614, 3124813, 6249626, 40622569, 81245138]

約数ペア:

[(1, 81245138), (2, 40622569), (13, 6249626), (26, 3124813), (67, 1212614), (134, 606307), (871, 93278), (1742, 46639)]