128371712

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17909}}^1$

素因数の和:17936

約数の個数: 44

約数和(自身を含む): 293294160

約数和(自身を除く): 164922448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 17909, 35818, 71636, 125363, 143272, 250726, 286544, 501452, 573088, 1002904, 1146176, 2005808, 2292352, 4011616, 4584704, 8023232, 9169408, 16046464, 18338816, 32092928, 64185856, 128371712]

約数ペア:

[(1, 128371712), (2, 64185856), (4, 32092928), (7, 18338816), (8, 16046464), (14, 9169408), (16, 8023232), (28, 4584704), (32, 4011616), (56, 2292352), (64, 2005808), (112, 1146176), (128, 1002904), (224, 573088), (256, 501452), (448, 286544), (512, 250726), (896, 143272), (1024, 125363), (1792, 71636), (3584, 35818), (7168, 17909)]