390215.0000000

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 11418880

約数和(自身を除く): 2148381

約数列:

[1, 7, 19, 43, 133, 301, 817, 1621, 5719, 11347, 30799, 69703, 215593, 487921, 1324357, 9270499]

約数ペア:

[(1, 9270499), (7, 1324357), (19, 487921), (43, 215593), (133, 69703), (301, 30799), (817, 11347), (1621, 5719)]