251457584

素因数分解:

$2^4\times 7^1\times {\mathrm{2245157}}^1$

素因数の和:2245172

約数の個数: 20

約数和(自身を含む): 556799184

約数和(自身を除く): 305341600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2245157, 4490314, 8980628, 15716099, 17961256, 31432198, 35922512, 62864396, 125728792, 251457584]

約数ペア:

[(1, 251457584), (2, 125728792), (4, 62864396), (7, 35922512), (8, 31432198), (14, 17961256), (16, 15716099), (28, 8980628), (56, 4490314), (112, 2245157)]