28540996816

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 59278643424

約数和(自身を除く): 30737646608

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 107, 116, 172, 214, 232, 344, 428, 461, 464, 688, 841, 856, 922, 1247, 1682, 1712, 1844, 2494, 3103, 3364, 3688, 4601, 4988, 6206, 6728, 7376, 9202, 9976, 12412, 13369, 13456, 18404, 19823, 19952, 24824, 26738, 36163, 36808, 39646, 49327, 49648, 53476, 72326, 73616, 79292, 89987, 98654, 106952, 133429, 144652, 158584, 179974, 197308, 213904, 266858, 289304, 317168, 359948, 387701, 394616, 533716, 574867, 578608, 719896, 775402, 789232, 1067432, 1149734, 1430483, 1439792, 1550804, 2121061, 2134864, 2299468, 2860966, 3101608, 3869441, 4242122, 4598936, 5721932, 6203216, 7738882, 8484244, 9197872, 11443864, 15477764, 16671143, 16968488, 22887728, 30955528, 33342286, 33936976, 41484007, 61510769, 61911056, 66684572, 82968014, 123021538, 133369144, 165936028, 246043076, 266738288, 331872056, 492086152, 663744112, 984172304, 1783812301, 3567624602, 7135249204, 14270498408, 28540996816]

約数ペア:

[(1, 28540996816), (2, 14270498408), (4, 7135249204), (8, 3567624602), (16, 1783812301), (29, 984172304), (43, 663744112), (58, 492086152), (86, 331872056), (107, 266738288), (116, 246043076), (172, 165936028), (214, 133369144), (232, 123021538), (344, 82968014), (428, 66684572), (461, 61911056), (464, 61510769), (688, 41484007), (841, 33936976), (856, 33342286), (922, 30955528), (1247, 22887728), (1682, 16968488), (1712, 16671143), (1844, 15477764), (2494, 11443864), (3103, 9197872), (3364, 8484244), (3688, 7738882), (4601, 6203216), (4988, 5721932), (6206, 4598936), (6728, 4242122), (7376, 3869441), (9202, 3101608), (9976, 2860966), (12412, 2299468), (13369, 2134864), (13456, 2121061), (18404, 1550804), (19823, 1439792), (19952, 1430483), (24824, 1149734), (26738, 1067432), (36163, 789232), (36808, 775402), (39646, 719896), (49327, 578608), (49648, 574867), (53476, 533716), (72326, 394616), (73616, 387701), (79292, 359948), (89987, 317168), (98654, 289304), (106952, 266858), (133429, 213904), (144652, 197308), (158584, 179974)]