51720641

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1669}}^1$

素因数の和:1928

約数の個数: 16

約数和(自身を含む): 62524800

約数和(自身を除く): 10804159

約数列:

[1, 7, 19, 133, 233, 1631, 1669, 4427, 11683, 30989, 31711, 221977, 388877, 2722139, 7388663, 51720641]

約数ペア:

[(1, 51720641), (7, 7388663), (19, 2722139), (133, 388877), (233, 221977), (1631, 31711), (1669, 30989), (4427, 11683)]