49421728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 100759680

約数和(自身を除く): 51337952

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 139, 164, 271, 278, 328, 542, 556, 656, 1084, 1112, 1312, 2168, 2224, 4336, 4448, 5699, 8672, 11111, 11398, 22222, 22796, 37669, 44444, 45592, 75338, 88888, 91184, 150676, 177776, 182368, 301352, 355552, 602704, 1205408, 1544429, 3088858, 6177716, 12355432, 24710864, 49421728]

約数ペア:

[(1, 49421728), (2, 24710864), (4, 12355432), (8, 6177716), (16, 3088858), (32, 1544429), (41, 1205408), (82, 602704), (139, 355552), (164, 301352), (271, 182368), (278, 177776), (328, 150676), (542, 91184), (556, 88888), (656, 75338), (1084, 45592), (1112, 44444), (1312, 37669), (2168, 22796), (2224, 22222), (4336, 11398), (4448, 11111), (5699, 8672)]