1388442385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1328653}}^1$

素因数の和:1328688

約数の個数: 16

約数和(自身を含む): 1913261760

約数和(自身を除く): 524819375

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1328653, 6643265, 14615183, 25244407, 73075915, 126222035, 277688477, 1388442385]

約数ペア:

[(1, 1388442385), (5, 277688477), (11, 126222035), (19, 73075915), (55, 25244407), (95, 14615183), (209, 6643265), (1045, 1328653)]