2987891389

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{65557}}^1$

素因数の和:65964

約数の個数: 16

約数和(自身を含む): 3625095168

約数和(自身を除く): 637203779

約数列:

[1, 7, 17, 119, 383, 2681, 6511, 45577, 65557, 458899, 1114469, 7801283, 25108331, 175758317, 426841627, 2987891389]

約数ペア:

[(1, 2987891389), (7, 426841627), (17, 175758317), (119, 25108331), (383, 7801283), (2681, 1114469), (6511, 458899), (45577, 65557)]