209428622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{259837}}^1$

素因数の和:259883

約数の個数: 16

約数和(自身を含む): 349222272

約数和(自身を除く): 139793650

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 259837, 519674, 3377881, 6755762, 8054947, 16109894, 104714311, 209428622]

約数ペア:

[(1, 209428622), (2, 104714311), (13, 16109894), (26, 8054947), (31, 6755762), (62, 3377881), (403, 519674), (806, 259837)]