2220671999

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{30773}}^1$

素因数の和:30867

約数の個数: 24

約数和(自身を含む): 2793294432

約数和(自身を除く): 572622433

約数列:

[1, 7, 13, 61, 91, 169, 427, 793, 1183, 5551, 10309, 30773, 72163, 215411, 400049, 1877153, 2800343, 5200637, 13140071, 24402989, 36404459, 170820923, 317238857, 2220671999]

約数ペア:

[(1, 2220671999), (7, 317238857), (13, 170820923), (61, 36404459), (91, 24402989), (169, 13140071), (427, 5200637), (793, 2800343), (1183, 1877153), (5551, 400049), (10309, 215411), (30773, 72163)]