31779328

素因数分解:

$2^9\times 7^1\times {\mathrm{8867}}^1$

素因数の和:8892

約数の個数: 40

約数和(自身を含む): 72575712

約数和(自身を除く): 40796384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 8867, 17734, 35468, 62069, 70936, 124138, 141872, 248276, 283744, 496552, 567488, 993104, 1134976, 1986208, 2269952, 3972416, 4539904, 7944832, 15889664, 31779328]

約数ペア:

[(1, 31779328), (2, 15889664), (4, 7944832), (7, 4539904), (8, 3972416), (14, 2269952), (16, 1986208), (28, 1134976), (32, 993104), (56, 567488), (64, 496552), (112, 283744), (128, 248276), (224, 141872), (256, 124138), (448, 70936), (512, 62069), (896, 35468), (1792, 17734), (3584, 8867)]