12218656

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 25189920

約数和(自身を除く): 12971264

約数列:

[1, 2, 4, 8, 16, 32, 41, 67, 82, 134, 139, 164, 268, 278, 328, 536, 556, 656, 1072, 1112, 1312, 2144, 2224, 2747, 4448, 5494, 5699, 9313, 10988, 11398, 18626, 21976, 22796, 37252, 43952, 45592, 74504, 87904, 91184, 149008, 182368, 298016, 381833, 763666, 1527332, 3054664, 6109328, 12218656]

約数ペア:

[(1, 12218656), (2, 6109328), (4, 3054664), (8, 1527332), (16, 763666), (32, 381833), (41, 298016), (67, 182368), (82, 149008), (134, 91184), (139, 87904), (164, 74504), (268, 45592), (278, 43952), (328, 37252), (536, 22796), (556, 21976), (656, 18626), (1072, 11398), (1112, 10988), (1312, 9313), (2144, 5699), (2224, 5494), (2747, 4448)]