644637316

素因数分解:

$2^2\times {\mathrm{1931}}^1\times {\mathrm{83459}}^1$

素因数の和:85394

約数の個数: 12

約数和(自身を含む): 1128713040

約数和(自身を除く): 484075724

約数列:

[1, 2, 4, 1931, 3862, 7724, 83459, 166918, 333836, 161159329, 322318658, 644637316]

約数ペア:

[(1, 644637316), (2, 322318658), (4, 161159329), (1931, 333836), (3862, 166918), (7724, 83459)]