16991999

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 18627840

約数和(自身を除く): 1635841

約数列:

[1, 29, 31, 41, 461, 899, 1189, 1271, 13369, 14291, 18901, 36859, 414439, 548129, 585931, 16991999]

約数ペア:

[(1, 16991999), (29, 585931), (31, 548129), (41, 414439), (461, 36859), (899, 18901), (1189, 14291), (1271, 13369)]