127872014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{7993}}^1$

素因数の和:8435

約数の個数: 16

約数和(自身を含む): 202408080

約数和(自身を除く): 74536066

約数列:

[1, 2, 19, 38, 421, 842, 7993, 7999, 15986, 15998, 151867, 303734, 3365053, 6730106, 63936007, 127872014]

約数ペア:

[(1, 127872014), (2, 63936007), (19, 6730106), (38, 3365053), (421, 303734), (842, 151867), (7993, 15998), (7999, 15986)]