280684019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{158489}}^1$

素因数の和:158530

約数の個数: 16

約数和(自身を含む): 365160960

約数和(自身を除く): 84476941

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 158489, 1109423, 1743379, 3645247, 12203653, 25516729, 40097717, 280684019]

約数ペア:

[(1, 280684019), (7, 40097717), (11, 25516729), (23, 12203653), (77, 3645247), (161, 1743379), (253, 1109423), (1771, 158489)]