258551426

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{145417}}^1$

素因数の和:145553

約数の個数: 16

約数和(自身を含む): 446724096

約数和(自身を除く): 188172670

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 145417, 290834, 1017919, 2035838, 18467959, 36935918, 129275713, 258551426]

約数ペア:

[(1, 258551426), (2, 129275713), (7, 36935918), (14, 18467959), (127, 2035838), (254, 1017919), (889, 290834), (1778, 145417)]