2051265131419

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{133138517}}^1$

素因数の和:133138626

約数の個数: 16

約数和(自身を含む): 2454009163776

約数和(自身を除く): 402744032357

約数列:

[1, 7, 31, 71, 217, 497, 2201, 15407, 133138517, 931969619, 4127294027, 9452834707, 28891058189, 66169842949, 293037875917, 2051265131419]

約数ペア:

[(1, 2051265131419), (7, 293037875917), (31, 66169842949), (71, 28891058189), (217, 9452834707), (497, 4127294027), (2201, 931969619), (15407, 133138517)]