257416270

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{29021}}^1$

素因数の和:29915

約数の個数: 16

約数和(自身を含む): 463887648

約数和(自身を除く): 206471378

約数列:

[1, 2, 5, 10, 887, 1774, 4435, 8870, 29021, 58042, 145105, 290210, 25741627, 51483254, 128708135, 257416270]

約数ペア:

[(1, 257416270), (2, 128708135), (5, 51483254), (10, 25741627), (887, 290210), (1774, 145105), (4435, 58042), (8870, 29021)]