905138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1169

約数の個数: 16

約数和(自身を含む): 1510656

約数和(自身を除く): 605518

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1123, 2246, 14599, 29198, 34813, 69626, 452569, 905138]

約数ペア:

[(1, 905138), (2, 452569), (13, 69626), (26, 34813), (31, 29198), (62, 14599), (403, 2246), (806, 1123)]