257068126

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{346453}}^1$

素因数の和:346515

約数の個数: 16

約数和(自身を含む): 449004384

約数和(自身を除く): 191936258

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 346453, 692906, 2425171, 4850342, 18362009, 36724018, 128534063, 257068126]

約数ペア:

[(1, 257068126), (2, 128534063), (7, 36724018), (14, 18362009), (53, 4850342), (106, 2425171), (371, 692906), (742, 346453)]