1996555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 2700288

約数和(自身を除く): 703733

約数列:

[1, 5, 11, 31, 55, 155, 341, 1171, 1705, 5855, 12881, 36301, 64405, 181505, 399311, 1996555]

約数ペア:

[(1, 1996555), (5, 399311), (11, 181505), (31, 64405), (55, 36301), (155, 12881), (341, 5855), (1171, 1705)]