28455739

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 32628960

約数和(自身を除く): 4173221

約数列:

[1, 13, 17, 221, 331, 389, 4303, 5057, 5627, 6613, 73151, 85969, 128759, 1673867, 2188903, 28455739]

約数ペア:

[(1, 28455739), (13, 2188903), (17, 1673867), (221, 128759), (331, 85969), (389, 73151), (4303, 6613), (5057, 5627)]