28474397

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 33390720

約数和(自身を除く): 4916323

約数列:

[1, 7, 67, 109, 469, 557, 763, 3899, 7303, 37319, 51121, 60713, 261233, 424991, 4067771, 28474397]

約数ペア:

[(1, 28474397), (7, 4067771), (67, 424991), (109, 261233), (469, 60713), (557, 51121), (763, 37319), (3899, 7303)]