1998889505417

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1\times {\mathrm{1245331}}^1$

素因数の和:1247588

約数の個数: 16

約数和(自身を含む): 2306872922112

約数和(自身を除く): 307983416695

約数列:

[1, 7, 107, 749, 2143, 15001, 229301, 1245331, 1605107, 8717317, 133250417, 932752919, 2668744333, 18681210331, 285555643631, 1998889505417]

約数ペア:

[(1, 1998889505417), (7, 285555643631), (107, 18681210331), (749, 2668744333), (2143, 932752919), (15001, 133250417), (229301, 8717317), (1245331, 1605107)]