215851805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{195341}}^1$

素因数の和:195376

約数の個数: 16

約数和(自身を含む): 295357104

約数和(自身を除く): 79505299

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 195341, 976705, 2539433, 3320797, 12697165, 16603985, 43170361, 215851805]

約数ペア:

[(1, 215851805), (5, 43170361), (13, 16603985), (17, 12697165), (65, 3320797), (85, 2539433), (221, 976705), (1105, 195341)]