72143188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20707}}^1$

素因数の和:20791

約数の個数: 24

約数和(自身を含む): 137998112

約数和(自身を除く): 65854924

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 20707, 41414, 82828, 269191, 538382, 1076764, 1387369, 2774738, 5549476, 18035797, 36071594, 72143188]

約数ペア:

[(1, 72143188), (2, 36071594), (4, 18035797), (13, 5549476), (26, 2774738), (52, 1387369), (67, 1076764), (134, 538382), (268, 269191), (871, 82828), (1742, 41414), (3484, 20707)]