28195328

素因数分解:

$2^9\times 7^1\times {\mathrm{7867}}^1$

素因数の和:7892

約数の個数: 40

約数和(自身を含む): 64391712

約数和(自身を除く): 36196384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 7867, 15734, 31468, 55069, 62936, 110138, 125872, 220276, 251744, 440552, 503488, 881104, 1006976, 1762208, 2013952, 3524416, 4027904, 7048832, 14097664, 28195328]

約数ペア:

[(1, 28195328), (2, 14097664), (4, 7048832), (7, 4027904), (8, 3524416), (14, 2013952), (16, 1762208), (28, 1006976), (32, 881104), (56, 503488), (64, 440552), (112, 251744), (128, 220276), (224, 125872), (256, 110138), (448, 62936), (512, 55069), (896, 31468), (1792, 15734), (3584, 7867)]