208127412

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 539203392

約数和(自身を除く): 331075980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 107, 142, 213, 214, 284, 321, 426, 428, 639, 642, 761, 852, 963, 1278, 1284, 1522, 1926, 2283, 2556, 3044, 3852, 4566, 6849, 7597, 9132, 13698, 15194, 22791, 27396, 30388, 45582, 54031, 68373, 81427, 91164, 108062, 136746, 162093, 162854, 216124, 244281, 273492, 324186, 325708, 486279, 488562, 648372, 732843, 972558, 977124, 1465686, 1945116, 2931372, 5781317, 11562634, 17343951, 23125268, 34687902, 52031853, 69375804, 104063706, 208127412]

約数ペア:

[(1, 208127412), (2, 104063706), (3, 69375804), (4, 52031853), (6, 34687902), (9, 23125268), (12, 17343951), (18, 11562634), (36, 5781317), (71, 2931372), (107, 1945116), (142, 1465686), (213, 977124), (214, 972558), (284, 732843), (321, 648372), (426, 488562), (428, 486279), (639, 325708), (642, 324186), (761, 273492), (852, 244281), (963, 216124), (1278, 162854), (1284, 162093), (1522, 136746), (1926, 108062), (2283, 91164), (2556, 81427), (3044, 68373), (3852, 54031), (4566, 45582), (6849, 30388), (7597, 27396), (9132, 22791), (13698, 15194)]