12139915

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 15106176

約数和(自身を除く): 2966261

約数列:

[1, 5, 53, 61, 265, 305, 751, 3233, 3755, 16165, 39803, 45811, 199015, 229055, 2427983, 12139915]

約数ペア:

[(1, 12139915), (5, 2427983), (53, 229055), (61, 199015), (265, 45811), (305, 39803), (751, 16165), (3233, 3755)]