289772015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{6827}}^1$

素因数の和:7498

約数の個数: 16

約数和(自身を含む): 375103008

約数和(自身を除く): 85330993

約数列:

[1, 5, 13, 65, 653, 3265, 6827, 8489, 34135, 42445, 88751, 443755, 4458031, 22290155, 57954403, 289772015]

約数ペア:

[(1, 289772015), (5, 57954403), (13, 22290155), (65, 4458031), (653, 443755), (3265, 88751), (6827, 42445), (8489, 34135)]