208740385

素因数分解:

$5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{23761}}^1$

素因数の和:24024

約数の個数: 16

約数和(自身を含む): 287425152

約数和(自身を除く): 78684767

約数列:

[1, 5, 7, 35, 251, 1255, 1757, 8785, 23761, 118805, 166327, 831635, 5964011, 29820055, 41748077, 208740385]

約数ペア:

[(1, 208740385), (5, 41748077), (7, 29820055), (35, 5964011), (251, 831635), (1255, 166327), (1757, 118805), (8785, 23761)]