68665289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1601}}^1$

素因数の和:2176

約数の個数: 16

約数和(自身を含む): 85815936

約数和(自身を除く): 17150647

約数列:

[1, 7, 11, 77, 557, 1601, 3899, 6127, 11207, 17611, 42889, 123277, 891757, 6242299, 9809327, 68665289]

約数ペア:

[(1, 68665289), (7, 9809327), (11, 6242299), (77, 891757), (557, 123277), (1601, 42889), (3899, 17611), (6127, 11207)]