78257123

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1559}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 91653120

約数和(自身を除く): 13395997

約数列:

[1, 7, 71, 101, 497, 707, 1559, 7171, 10913, 50197, 110689, 157459, 774823, 1102213, 11179589, 78257123]

約数ペア:

[(1, 78257123), (7, 11179589), (71, 1102213), (101, 774823), (497, 157459), (707, 110689), (1559, 50197), (7171, 10913)]