68880605

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 90123264

約数和(自身を除く): 21242659

約数列:

[1, 5, 19, 31, 95, 155, 361, 589, 1231, 1805, 2945, 6155, 11191, 23389, 38161, 55955, 116945, 190805, 444391, 725059, 2221955, 3625295, 13776121, 68880605]

約数ペア:

[(1, 68880605), (5, 13776121), (19, 3625295), (31, 2221955), (95, 725059), (155, 444391), (361, 190805), (589, 116945), (1231, 55955), (1805, 38161), (2945, 23389), (6155, 11191)]