668507903999

素因数分解:

${\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{19877729}}^1$

素因数の和:19877954

約数の個数: 12

約数和(自身を含む): 727524918000

約数和(自身を除く): 59017014001

約数列:

[1, 13, 169, 199, 2587, 33631, 19877729, 258410477, 3359336201, 3955668071, 51423684923, 668507903999]

約数ペア:

[(1, 668507903999), (13, 51423684923), (169, 3955668071), (199, 3359336201), (2587, 258410477), (33631, 19877729)]