131081216

素因数分解:

$2^{10}\times 7^1\times {\mathrm{18287}}^1$

素因数の和:18314

約数の個数: 44

約数和(自身を含む): 299484288

約数和(自身を除く): 168403072

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, 18287, 36574, 73148, 128009, 146296, 256018, 292592, 512036, 585184, 1024072, 1170368, 2048144, 2340736, 4096288, 4681472, 8192576, 9362944, 16385152, 18725888, 32770304, 65540608, 131081216]

約数ペア:

[(1, 131081216), (2, 65540608), (4, 32770304), (7, 18725888), (8, 16385152), (14, 9362944), (16, 8192576), (28, 4681472), (32, 4096288), (56, 2340736), (64, 2048144), (112, 1170368), (128, 1024072), (224, 585184), (256, 512036), (448, 292592), (512, 256018), (896, 146296), (1024, 128009), (1792, 73148), (3584, 36574), (7168, 18287)]