178470721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 218332800

約数和(自身を除く): 39862079

約数列:

[1, 11, 13, 37, 89, 143, 379, 407, 481, 979, 1157, 3293, 4169, 4927, 5291, 12727, 14023, 33731, 36223, 42809, 54197, 154253, 182299, 371041, 438503, 470899, 1248047, 2005289, 4823533, 13728517, 16224611, 178470721]

約数ペア:

[(1, 178470721), (11, 16224611), (13, 13728517), (37, 4823533), (89, 2005289), (143, 1248047), (379, 470899), (407, 438503), (481, 371041), (979, 182299), (1157, 154253), (3293, 54197), (4169, 42809), (4927, 36223), (5291, 33731), (12727, 14023)]