16520063

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 19998720

約数和(自身を除く): 3478657

約数列:

[1, 7, 19, 133, 223, 557, 1561, 3899, 4237, 10583, 29659, 74081, 124211, 869477, 2360009, 16520063]

約数ペア:

[(1, 16520063), (7, 2360009), (19, 869477), (133, 124211), (223, 74081), (557, 29659), (1561, 10583), (3899, 4237)]