678956221437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1\times {\mathrm{21019}}^1$

素因数の和:21722

約数の個数: 64

約数和(自身を含む): 1046525598720

約数和(自身を除く): 367569377283

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 587, 663, 1079, 1411, 1761, 3237, 4233, 7631, 9979, 18343, 21019, 22893, 29937, 48721, 55029, 63057, 129727, 146163, 273247, 357323, 389181, 633373, 819741, 828257, 1071969, 1744577, 1900119, 2484771, 4645199, 5233731, 10767341, 12338153, 13935597, 22679501, 29657809, 32302023, 37014459, 68038503, 88973427, 160395989, 209748601, 385551517, 481187967, 629245803, 1024066699, 1156654551, 2726731813, 3072200097, 8180195439, 13312867087, 17409133883, 39938601261, 52227401649, 226318740479, 678956221437]

約数ペア:

[(1, 678956221437), (3, 226318740479), (13, 52227401649), (17, 39938601261), (39, 17409133883), (51, 13312867087), (83, 8180195439), (221, 3072200097), (249, 2726731813), (587, 1156654551), (663, 1024066699), (1079, 629245803), (1411, 481187967), (1761, 385551517), (3237, 209748601), (4233, 160395989), (7631, 88973427), (9979, 68038503), (18343, 37014459), (21019, 32302023), (22893, 29657809), (29937, 22679501), (48721, 13935597), (55029, 12338153), (63057, 10767341), (129727, 5233731), (146163, 4645199), (273247, 2484771), (357323, 1900119), (389181, 1744577), (633373, 1071969), (819741, 828257)]