2181678401

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{54497}}^1$

素因数の和:54573

約数の個数: 24

約数和(自身を含む): 2733619680

約数和(自身を除く): 551941279

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 5719, 40033, 54497, 381479, 1035443, 2343371, 2670353, 7248101, 16403597, 44524049, 50736707, 114825179, 311668343, 2181678401]

約数ペア:

[(1, 2181678401), (7, 311668343), (19, 114825179), (43, 50736707), (49, 44524049), (133, 16403597), (301, 7248101), (817, 2670353), (931, 2343371), (2107, 1035443), (5719, 381479), (40033, 54497)]