31288576

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 70051968

約数和(自身を除く): 38763392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 128, 164, 176, 256, 271, 328, 352, 451, 542, 656, 704, 902, 1084, 1312, 1408, 1804, 2168, 2624, 2816, 2981, 3608, 4336, 5248, 5962, 7216, 8672, 10496, 11111, 11924, 14432, 17344, 22222, 23848, 28864, 34688, 44444, 47696, 57728, 69376, 88888, 95392, 115456, 122221, 177776, 190784, 244442, 355552, 381568, 488884, 711104, 763136, 977768, 1422208, 1955536, 2844416, 3911072, 7822144, 15644288, 31288576]

約数ペア:

[(1, 31288576), (2, 15644288), (4, 7822144), (8, 3911072), (11, 2844416), (16, 1955536), (22, 1422208), (32, 977768), (41, 763136), (44, 711104), (64, 488884), (82, 381568), (88, 355552), (128, 244442), (164, 190784), (176, 177776), (256, 122221), (271, 115456), (328, 95392), (352, 88888), (451, 69376), (542, 57728), (656, 47696), (704, 44444), (902, 34688), (1084, 28864), (1312, 23848), (1408, 22222), (1804, 17344), (2168, 14432), (2624, 11924), (2816, 11111), (2981, 10496), (3608, 8672), (4336, 7216), (5248, 5962)]