199249732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 412917120

約数和(自身を除く): 213667388

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 121, 188, 209, 242, 418, 461, 484, 517, 836, 893, 922, 1034, 1786, 1844, 2068, 2299, 3572, 4598, 5071, 5687, 8759, 9196, 9823, 10142, 11374, 17518, 19646, 20284, 21667, 22748, 35036, 39292, 43334, 55781, 86668, 96349, 108053, 111562, 192698, 216106, 223124, 238337, 385396, 411673, 432212, 476674, 823346, 953348, 1059839, 1646692, 2119678, 2621707, 4239356, 4528403, 5243414, 9056806, 10486828, 18113612, 49812433, 99624866, 199249732]

約数ペア:

[(1, 199249732), (2, 99624866), (4, 49812433), (11, 18113612), (19, 10486828), (22, 9056806), (38, 5243414), (44, 4528403), (47, 4239356), (76, 2621707), (94, 2119678), (121, 1646692), (188, 1059839), (209, 953348), (242, 823346), (418, 476674), (461, 432212), (484, 411673), (517, 385396), (836, 238337), (893, 223124), (922, 216106), (1034, 192698), (1786, 111562), (1844, 108053), (2068, 96349), (2299, 86668), (3572, 55781), (4598, 43334), (5071, 39292), (5687, 35036), (8759, 22748), (9196, 21667), (9823, 20284), (10142, 19646), (11374, 17518)]