668848978

素因数分解:

$2^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{77431}}^1$

素因数の和:78057

約数の個数: 16

約数和(自身を含む): 1148471424

約数和(自身を除く): 479622446

約数列:

[1, 2, 7, 14, 617, 1234, 4319, 8638, 77431, 154862, 542017, 1084034, 47774927, 95549854, 334424489, 668848978]

約数ペア:

[(1, 668848978), (2, 334424489), (7, 95549854), (14, 47774927), (617, 1084034), (1234, 542017), (4319, 154862), (8638, 77431)]