31686144

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 120

約数和(自身を含む): 98428968

約数和(自身を除く): 66742824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 421, 448, 512, 588, 672, 768, 784, 842, 896, 1176, 1263, 1344, 1536, 1568, 1684, 1792, 2352, 2526, 2688, 2947, 3136, 3368, 3584, 4704, 5052, 5376, 5894, 6272, 6736, 8841, 9408, 10104, 10752, 11788, 12544, 13472, 17682, 18816, 20208, 20629, 23576, 25088, 26944, 35364, 37632, 40416, 41258, 47152, 53888, 61887, 70728, 75264, 80832, 82516, 94304, 107776, 123774, 141456, 161664, 165032, 188608, 215552, 247548, 282912, 323328, 330064, 377216, 495096, 565824, 646656, 660128, 754432, 990192, 1131648, 1320256, 1508864, 1980384, 2263296, 2640512, 3960768, 4526592, 5281024, 7921536, 10562048, 15843072, 31686144]

約数ペア:

[(1, 31686144), (2, 15843072), (3, 10562048), (4, 7921536), (6, 5281024), (7, 4526592), (8, 3960768), (12, 2640512), (14, 2263296), (16, 1980384), (21, 1508864), (24, 1320256), (28, 1131648), (32, 990192), (42, 754432), (48, 660128), (49, 646656), (56, 565824), (64, 495096), (84, 377216), (96, 330064), (98, 323328), (112, 282912), (128, 247548), (147, 215552), (168, 188608), (192, 165032), (196, 161664), (224, 141456), (256, 123774), (294, 107776), (336, 94304), (384, 82516), (392, 80832), (421, 75264), (448, 70728), (512, 61887), (588, 53888), (672, 47152), (768, 41258), (784, 40416), (842, 37632), (896, 35364), (1176, 26944), (1263, 25088), (1344, 23576), (1536, 20629), (1568, 20208), (1684, 18816), (1792, 17682), (2352, 13472), (2526, 12544), (2688, 11788), (2947, 10752), (3136, 10104), (3368, 9408), (3584, 8841), (4704, 6736), (5052, 6272), (5376, 5894)]