16659139

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 19742976

約数和(自身を除く): 3083837

約数列:

[1, 7, 37, 131, 259, 491, 917, 3437, 4847, 18167, 33929, 64321, 127169, 450247, 2379877, 16659139]

約数ペア:

[(1, 16659139), (7, 2379877), (37, 450247), (131, 127169), (259, 64321), (491, 33929), (917, 18167), (3437, 4847)]