258517994

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{348407}}^1$

素因数の和:348469

約数の個数: 16

約数和(自身を含む): 451536768

約数和(自身を除く): 193018774

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 348407, 696814, 2438849, 4877698, 18465571, 36931142, 129258997, 258517994]

約数ペア:

[(1, 258517994), (2, 129258997), (7, 36931142), (14, 18465571), (53, 4877698), (106, 2438849), (371, 696814), (742, 348407)]