404992

素因数分解:

$2^9\times 7^1\times {\mathrm{113}}^1$

素因数の和:138

約数の個数: 40

約数和(自身を含む): 932976

約数和(自身を除く): 527984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 224, 226, 256, 448, 452, 512, 791, 896, 904, 1582, 1792, 1808, 3164, 3584, 3616, 6328, 7232, 12656, 14464, 25312, 28928, 50624, 57856, 101248, 202496, 404992]

約数ペア:

[(1, 404992), (2, 202496), (4, 101248), (7, 57856), (8, 50624), (14, 28928), (16, 25312), (28, 14464), (32, 12656), (56, 7232), (64, 6328), (112, 3616), (113, 3584), (128, 3164), (224, 1808), (226, 1792), (256, 1582), (448, 904), (452, 896), (512, 791)]