85173712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 185613120

約数和(自身を除く): 100439408

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 89, 104, 107, 172, 178, 208, 214, 344, 356, 428, 559, 688, 712, 856, 1118, 1157, 1391, 1424, 1712, 2236, 2314, 2782, 3827, 4472, 4601, 4628, 5564, 7654, 8944, 9202, 9256, 9523, 11128, 15308, 18404, 18512, 19046, 22256, 30616, 36808, 38092, 49751, 59813, 61232, 73616, 76184, 99502, 119626, 123799, 152368, 199004, 239252, 247598, 398008, 409489, 478504, 495196, 796016, 818978, 957008, 990392, 1637956, 1980784, 3275912, 5323357, 6551824, 10646714, 21293428, 42586856, 85173712]

約数ペア:

[(1, 85173712), (2, 42586856), (4, 21293428), (8, 10646714), (13, 6551824), (16, 5323357), (26, 3275912), (43, 1980784), (52, 1637956), (86, 990392), (89, 957008), (104, 818978), (107, 796016), (172, 495196), (178, 478504), (208, 409489), (214, 398008), (344, 247598), (356, 239252), (428, 199004), (559, 152368), (688, 123799), (712, 119626), (856, 99502), (1118, 76184), (1157, 73616), (1391, 61232), (1424, 59813), (1712, 49751), (2236, 38092), (2314, 36808), (2782, 30616), (3827, 22256), (4472, 19046), (4601, 18512), (4628, 18404), (5564, 15308), (7654, 11128), (8944, 9523), (9202, 9256)]