71858248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 179159040

約数和(自身を除く): 107300792

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 53, 56, 62, 71, 77, 88, 106, 124, 142, 154, 212, 217, 248, 284, 308, 341, 371, 424, 434, 497, 568, 583, 616, 682, 742, 781, 868, 994, 1166, 1364, 1484, 1562, 1643, 1736, 1988, 2201, 2332, 2387, 2728, 2968, 3124, 3286, 3763, 3976, 4081, 4402, 4664, 4774, 5467, 6248, 6572, 7526, 8162, 8804, 9548, 10934, 11501, 13144, 15052, 15407, 16324, 17608, 18073, 19096, 21868, 23002, 24211, 26341, 30104, 30814, 32648, 36146, 41393, 43736, 46004, 48422, 52682, 61628, 72292, 82786, 92008, 96844, 105364, 116653, 123256, 126511, 144584, 165572, 169477, 193688, 210728, 233306, 253022, 289751, 331144, 338954, 466612, 506044, 579502, 677908, 816571, 933224, 1012088, 1159004, 1283183, 1355816, 1633142, 2318008, 2566366, 3266284, 5132732, 6532568, 8982281, 10265464, 17964562, 35929124, 71858248]

約数ペア:

[(1, 71858248), (2, 35929124), (4, 17964562), (7, 10265464), (8, 8982281), (11, 6532568), (14, 5132732), (22, 3266284), (28, 2566366), (31, 2318008), (44, 1633142), (53, 1355816), (56, 1283183), (62, 1159004), (71, 1012088), (77, 933224), (88, 816571), (106, 677908), (124, 579502), (142, 506044), (154, 466612), (212, 338954), (217, 331144), (248, 289751), (284, 253022), (308, 233306), (341, 210728), (371, 193688), (424, 169477), (434, 165572), (497, 144584), (568, 126511), (583, 123256), (616, 116653), (682, 105364), (742, 96844), (781, 92008), (868, 82786), (994, 72292), (1166, 61628), (1364, 52682), (1484, 48422), (1562, 46004), (1643, 43736), (1736, 41393), (1988, 36146), (2201, 32648), (2332, 30814), (2387, 30104), (2728, 26341), (2968, 24211), (3124, 23002), (3286, 21868), (3763, 19096), (3976, 18073), (4081, 17608), (4402, 16324), (4664, 15407), (4774, 15052), (5467, 13144), (6248, 11501), (6572, 10934), (7526, 9548), (8162, 8804)]