1681738219

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 2058439680

約数和(自身を除く): 376701461

約数列:

[1, 7, 23, 61, 109, 161, 427, 763, 1403, 1571, 2507, 6649, 9821, 10997, 17549, 36133, 46543, 95831, 152927, 171239, 252931, 670817, 1070489, 1198673, 2204113, 3938497, 10445579, 15428791, 27569479, 73119053, 240248317, 1681738219]

約数ペア:

[(1, 1681738219), (7, 240248317), (23, 73119053), (61, 27569479), (109, 15428791), (161, 10445579), (427, 3938497), (763, 2204113), (1403, 1198673), (1571, 1070489), (2507, 670817), (6649, 252931), (9821, 171239), (10997, 152927), (17549, 95831), (36133, 46543)]