16939979

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 19987968

約数和(自身を除く): 3047989

約数列:

[1, 7, 43, 167, 301, 337, 1169, 2359, 7181, 14491, 50267, 56279, 101437, 393953, 2419997, 16939979]

約数ペア:

[(1, 16939979), (7, 2419997), (43, 393953), (167, 101437), (301, 56279), (337, 50267), (1169, 14491), (2359, 7181)]