11988185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 16612992

約数和(自身を除く): 4624807

約数列:

[1, 5, 11, 37, 43, 55, 137, 185, 215, 407, 473, 685, 1507, 1591, 2035, 2365, 5069, 5891, 7535, 7955, 17501, 25345, 29455, 55759, 64801, 87505, 217967, 278795, 324005, 1089835, 2397637, 11988185]

約数ペア:

[(1, 11988185), (5, 2397637), (11, 1089835), (37, 324005), (43, 278795), (55, 217967), (137, 87505), (185, 64801), (215, 55759), (407, 29455), (473, 25345), (685, 17501), (1507, 7955), (1591, 7535), (2035, 5891), (2365, 5069)]