672057113

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{388697}}^1$

素因数の和:388736

約数の個数: 16

約数和(自身を含む): 870683520

約数和(自身を除く): 198626407

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 388697, 2720879, 5053061, 7385243, 35371427, 51696701, 96008159, 672057113]

約数ペア:

[(1, 672057113), (7, 96008159), (13, 51696701), (19, 35371427), (91, 7385243), (133, 5053061), (247, 2720879), (1729, 388697)]