2909641

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 3548160

約数和(自身を除く): 638519

約数列:

[1, 7, 19, 131, 133, 167, 917, 1169, 2489, 3173, 17423, 21877, 22211, 153139, 415663, 2909641]

約数ペア:

[(1, 2909641), (7, 415663), (19, 153139), (131, 22211), (133, 21877), (167, 17423), (917, 3173), (1169, 2489)]