81332608

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 189573120

約数和(自身を除く): 108240512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 301, 344, 448, 602, 688, 896, 1204, 1376, 2111, 2408, 2752, 4222, 4816, 5504, 8444, 9632, 14777, 16888, 19264, 29554, 33776, 38528, 59108, 67552, 90773, 118216, 135104, 181546, 236432, 270208, 363092, 472864, 635411, 726184, 945728, 1270822, 1452368, 1891456, 2541644, 2904736, 5083288, 5809472, 10166576, 11618944, 20333152, 40666304, 81332608]

約数ペア:

[(1, 81332608), (2, 40666304), (4, 20333152), (7, 11618944), (8, 10166576), (14, 5809472), (16, 5083288), (28, 2904736), (32, 2541644), (43, 1891456), (56, 1452368), (64, 1270822), (86, 945728), (112, 726184), (128, 635411), (172, 472864), (224, 363092), (301, 270208), (344, 236432), (448, 181546), (602, 135104), (688, 118216), (896, 90773), (1204, 67552), (1376, 59108), (2111, 38528), (2408, 33776), (2752, 29554), (4222, 19264), (4816, 16888), (5504, 14777), (8444, 9632)]