3989293

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 5031936

約数和(自身を除く): 1042643

約数列:

[1, 7, 11, 77, 103, 503, 721, 1133, 3521, 5533, 7931, 38731, 51809, 362663, 569899, 3989293]

約数ペア:

[(1, 3989293), (7, 569899), (11, 362663), (77, 51809), (103, 38731), (503, 7931), (721, 5533), (1133, 3521)]