1231554995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1823}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 1645277184

約数和(自身を除く): 413722189

約数列:

[1, 5, 11, 55, 71, 173, 355, 781, 865, 1823, 1903, 3905, 9115, 9515, 12283, 20053, 61415, 100265, 129433, 135113, 315379, 647165, 675565, 1423763, 1576895, 3469169, 7118815, 17345845, 22391909, 111959545, 246310999, 1231554995]

約数ペア:

[(1, 1231554995), (5, 246310999), (11, 111959545), (55, 22391909), (71, 17345845), (173, 7118815), (355, 3469169), (781, 1576895), (865, 1423763), (1823, 675565), (1903, 647165), (3905, 315379), (9115, 135113), (9515, 129433), (12283, 100265), (20053, 61415)]