172169888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^2$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 379554336

約数和(自身を除く): 207384448

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 83, 88, 142, 166, 176, 284, 332, 352, 568, 664, 781, 913, 1136, 1328, 1562, 1826, 2272, 2656, 3124, 3652, 5893, 6248, 6889, 7304, 11786, 12496, 13778, 14608, 23572, 24992, 27556, 29216, 47144, 55112, 64823, 75779, 94288, 110224, 129646, 151558, 188576, 220448, 259292, 303116, 489119, 518584, 606232, 978238, 1037168, 1212464, 1956476, 2074336, 2424928, 3912952, 5380309, 7825904, 10760618, 15651808, 21521236, 43042472, 86084944, 172169888]

約数ペア:

[(1, 172169888), (2, 86084944), (4, 43042472), (8, 21521236), (11, 15651808), (16, 10760618), (22, 7825904), (32, 5380309), (44, 3912952), (71, 2424928), (83, 2074336), (88, 1956476), (142, 1212464), (166, 1037168), (176, 978238), (284, 606232), (332, 518584), (352, 489119), (568, 303116), (664, 259292), (781, 220448), (913, 188576), (1136, 151558), (1328, 129646), (1562, 110224), (1826, 94288), (2272, 75779), (2656, 64823), (3124, 55112), (3652, 47144), (5893, 29216), (6248, 27556), (6889, 24992), (7304, 23572), (11786, 14608), (12496, 13778)]