28631776

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 58529520

約数和(自身を除く): 29897744

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 139, 157, 164, 278, 314, 328, 556, 628, 656, 1112, 1256, 1312, 2224, 2512, 4448, 5024, 5699, 6437, 11398, 12874, 21823, 22796, 25748, 43646, 45592, 51496, 87292, 91184, 102992, 174584, 182368, 205984, 349168, 698336, 894743, 1789486, 3578972, 7157944, 14315888, 28631776]

約数ペア:

[(1, 28631776), (2, 14315888), (4, 7157944), (8, 3578972), (16, 1789486), (32, 894743), (41, 698336), (82, 349168), (139, 205984), (157, 182368), (164, 174584), (278, 102992), (314, 91184), (328, 87292), (556, 51496), (628, 45592), (656, 43646), (1112, 25748), (1256, 22796), (1312, 21823), (2224, 12874), (2512, 11398), (4448, 6437), (5024, 5699)]