74902009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43321}}^1$

素因数の和:43360

約数の個数: 16

約数和(自身を含む): 97041280

約数和(自身を除く): 22139271

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 43321, 303247, 563173, 823099, 3942211, 5761693, 10700287, 74902009]

約数ペア:

[(1, 74902009), (7, 10700287), (13, 5761693), (19, 3942211), (91, 823099), (133, 563173), (247, 303247), (1729, 43321)]