638634022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571229}}^1$

素因数の和:571287

約数の個数: 16

約数和(自身を含む): 1055633040

約数和(自身を除く): 416999018

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 571229, 1142458, 7425977, 14851954, 24562847, 49125694, 319317011, 638634022]

約数ペア:

[(1, 638634022), (2, 319317011), (13, 49125694), (26, 24562847), (43, 14851954), (86, 7425977), (559, 1142458), (1118, 571229)]