28553218

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{863}}^1$

素因数の和:1169

約数の個数: 16

約数和(自身を含む): 43670016

約数和(自身を除く): 15116798

約数列:

[1, 2, 71, 142, 233, 466, 863, 1726, 16543, 33086, 61273, 122546, 201079, 402158, 14276609, 28553218]

約数ペア:

[(1, 28553218), (2, 14276609), (71, 402158), (142, 201079), (233, 122546), (466, 61273), (863, 33086), (1726, 16543)]