7213219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 8322048

約数和(自身を除く): 1108829

約数列:

[1, 13, 17, 127, 221, 257, 1651, 2159, 3341, 4369, 28067, 32639, 56797, 424307, 554863, 7213219]

約数ペア:

[(1, 7213219), (13, 554863), (17, 424307), (127, 56797), (221, 32639), (257, 28067), (1651, 4369), (2159, 3341)]