2638488385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{944003}}^1$

素因数の和:944064

約数の個数: 16

約数和(自身を含む): 3489038784

約数和(自身を除く): 850550399

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 944003, 4720015, 12272039, 40592129, 61360195, 202960645, 527697677, 2638488385]

約数ペア:

[(1, 2638488385), (5, 527697677), (13, 202960645), (43, 61360195), (65, 40592129), (215, 12272039), (559, 4720015), (2795, 944003)]