28779014719

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{6454141}}^1$

素因数の和:6454175

約数の個数: 16

約数和(自身を含む): 36143195200

約数和(自身を除く): 7364180481

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 6454141, 45178987, 83903833, 316252909, 587326831, 2213770363, 4111287817, 28779014719]

約数ペア:

[(1, 28779014719), (7, 4111287817), (13, 2213770363), (49, 587326831), (91, 316252909), (343, 83903833), (637, 45178987), (4459, 6454141)]