278319235

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{6551}}^1$

素因数の和:6878

約数の個数: 16

約数和(自身を含む): 346731840

約数和(自身を除く): 68412605

約数列:

[1, 5, 29, 145, 293, 1465, 6551, 8497, 32755, 42485, 189979, 949895, 1919443, 9597215, 55663847, 278319235]

約数ペア:

[(1, 278319235), (5, 55663847), (29, 9597215), (145, 1919443), (293, 949895), (1465, 189979), (6551, 42485), (8497, 32755)]