718329599

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{641}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 822402000

約数和(自身を除く): 104072401

約数列:

[1, 13, 19, 169, 247, 349, 641, 3211, 4537, 6631, 8333, 12179, 58981, 86203, 108329, 158327, 223709, 1120639, 2058251, 2908217, 4250471, 37806821, 55256123, 718329599]

約数ペア:

[(1, 718329599), (13, 55256123), (19, 37806821), (169, 4250471), (247, 2908217), (349, 2058251), (641, 1120639), (3211, 223709), (4537, 158327), (6631, 108329), (8333, 86203), (12179, 58981)]