81039616

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1167

約数の個数: 72

約数和(自身を含む): 189552384

約数和(自身を除く): 108512768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 574, 656, 896, 1103, 1148, 1312, 1792, 2206, 2296, 2624, 4412, 4592, 5248, 7721, 8824, 9184, 10496, 15442, 17648, 18368, 30884, 35296, 36736, 45223, 61768, 70592, 73472, 90446, 123536, 141184, 180892, 247072, 282368, 316561, 361784, 494144, 633122, 723568, 988288, 1266244, 1447136, 1976576, 2532488, 2894272, 5064976, 5788544, 10129952, 11577088, 20259904, 40519808, 81039616]

約数ペア:

[(1, 81039616), (2, 40519808), (4, 20259904), (7, 11577088), (8, 10129952), (14, 5788544), (16, 5064976), (28, 2894272), (32, 2532488), (41, 1976576), (56, 1447136), (64, 1266244), (82, 988288), (112, 723568), (128, 633122), (164, 494144), (224, 361784), (256, 316561), (287, 282368), (328, 247072), (448, 180892), (574, 141184), (656, 123536), (896, 90446), (1103, 73472), (1148, 70592), (1312, 61768), (1792, 45223), (2206, 36736), (2296, 35296), (2624, 30884), (4412, 18368), (4592, 17648), (5248, 15442), (7721, 10496), (8824, 9184)]