1998758336

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{1979}}^1$

素因数の和:2401

約数の個数: 56

約数和(自身を含む): 4071640320

約数和(自身を除く): 2072881984

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 367, 688, 734, 1376, 1468, 1979, 2752, 2936, 3958, 5872, 7916, 11744, 15781, 15832, 23488, 31562, 31664, 63124, 63328, 85097, 126248, 126656, 170194, 252496, 340388, 504992, 680776, 726293, 1009984, 1361552, 1452586, 2723104, 2905172, 5446208, 5810344, 11620688, 23241376, 31230599, 46482752, 62461198, 124922396, 249844792, 499689584, 999379168, 1998758336]

約数ペア:

[(1, 1998758336), (2, 999379168), (4, 499689584), (8, 249844792), (16, 124922396), (32, 62461198), (43, 46482752), (64, 31230599), (86, 23241376), (172, 11620688), (344, 5810344), (367, 5446208), (688, 2905172), (734, 2723104), (1376, 1452586), (1468, 1361552), (1979, 1009984), (2752, 726293), (2936, 680776), (3958, 504992), (5872, 340388), (7916, 252496), (11744, 170194), (15781, 126656), (15832, 126248), (23488, 85097), (31562, 63328), (31664, 63124)]