199713020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{768127}}^1$

素因数の和:768149

約数の個数: 24

約数和(自身を含む): 451659264

約数和(自身を除く): 251946244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 768127, 1536254, 3072508, 3840635, 7681270, 9985651, 15362540, 19971302, 39942604, 49928255, 99856510, 199713020]

約数ペア:

[(1, 199713020), (2, 99856510), (4, 49928255), (5, 39942604), (10, 19971302), (13, 15362540), (20, 9985651), (26, 7681270), (52, 3840635), (65, 3072508), (130, 1536254), (260, 768127)]