388364032

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7045

約数の個数: 72

約数和(自身を含む): 914665472

約数和(自身を除く): 526301440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 6991, 7936, 13888, 13982, 27776, 27964, 48937, 55552, 55928, 97874, 111856, 195748, 216721, 223712, 391496, 433442, 447424, 782992, 866884, 894848, 1517047, 1565984, 1733768, 1789696, 3034094, 3131968, 3467536, 6068188, 6263936, 6935072, 12136376, 12527872, 13870144, 24272752, 27740288, 48545504, 55480576, 97091008, 194182016, 388364032]

約数ペア:

[(1, 388364032), (2, 194182016), (4, 97091008), (7, 55480576), (8, 48545504), (14, 27740288), (16, 24272752), (28, 13870144), (31, 12527872), (32, 12136376), (56, 6935072), (62, 6263936), (64, 6068188), (112, 3467536), (124, 3131968), (128, 3034094), (217, 1789696), (224, 1733768), (248, 1565984), (256, 1517047), (434, 894848), (448, 866884), (496, 782992), (868, 447424), (896, 433442), (992, 391496), (1736, 223712), (1792, 216721), (1984, 195748), (3472, 111856), (3968, 97874), (6944, 55928), (6991, 55552), (7936, 48937), (13888, 27964), (13982, 27776)]