212858107

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{709}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 270987120

約数和(自身を除く): 58129013

約数列:

[1, 7, 11, 49, 77, 539, 557, 709, 3899, 4963, 6127, 7799, 27293, 34741, 42889, 54593, 300223, 382151, 394913, 2764391, 4344043, 19350737, 30408301, 212858107]

約数ペア:

[(1, 212858107), (7, 30408301), (11, 19350737), (49, 4344043), (77, 2764391), (539, 394913), (557, 382151), (709, 300223), (3899, 54593), (4963, 42889), (6127, 34741), (7799, 27293)]