17966520673915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{398311}}^1$

素因数の和:398692

約数の個数: 64

約数和(自身を含む): 24484984280064

約数和(自身を除く): 6518463606149

約数列:

[1, 5, 11, 41, 55, 83, 205, 241, 415, 451, 913, 1205, 2255, 2651, 3403, 4565, 9881, 13255, 17015, 20003, 37433, 49405, 100015, 108691, 187165, 220033, 398311, 543455, 820123, 1100165, 1991555, 4100615, 4381421, 9021353, 16330751, 21907105, 33059813, 45106765, 81653755, 95992951, 165299065, 179638261, 363657943, 479964755, 898191305, 1055922461, 1355452333, 1818289715, 3935710991, 5279612305, 6777261665, 7967414933, 14909975663, 19678554955, 39837074665, 43292820901, 74549878315, 87641564263, 216464104505, 326664012253, 438207821315, 1633320061265, 3593304134783, 17966520673915]

約数ペア:

[(1, 17966520673915), (5, 3593304134783), (11, 1633320061265), (41, 438207821315), (55, 326664012253), (83, 216464104505), (205, 87641564263), (241, 74549878315), (415, 43292820901), (451, 39837074665), (913, 19678554955), (1205, 14909975663), (2255, 7967414933), (2651, 6777261665), (3403, 5279612305), (4565, 3935710991), (9881, 1818289715), (13255, 1355452333), (17015, 1055922461), (20003, 898191305), (37433, 479964755), (49405, 363657943), (100015, 179638261), (108691, 165299065), (187165, 95992951), (220033, 81653755), (398311, 45106765), (543455, 33059813), (820123, 21907105), (1100165, 16330751), (1991555, 9021353), (4100615, 4381421)]