1902439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 2451456

約数和(自身を除く): 549017

約数列:

[1, 7, 11, 31, 77, 217, 341, 797, 2387, 5579, 8767, 24707, 61369, 172949, 271777, 1902439]

約数ペア:

[(1, 1902439), (7, 271777), (11, 172949), (31, 61369), (77, 24707), (217, 8767), (341, 5579), (797, 2387)]