28777616

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2887}}^1$

素因数の和:2991

約数の個数: 40

約数和(自身を含む): 64460160

約数和(自身を除く): 35682544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2887, 4984, 5774, 9968, 11548, 20209, 23096, 40418, 46192, 80836, 161672, 256943, 323344, 513886, 1027772, 1798601, 2055544, 3597202, 4111088, 7194404, 14388808, 28777616]

約数ペア:

[(1, 28777616), (2, 14388808), (4, 7194404), (7, 4111088), (8, 3597202), (14, 2055544), (16, 1798601), (28, 1027772), (56, 513886), (89, 323344), (112, 256943), (178, 161672), (356, 80836), (623, 46192), (712, 40418), (1246, 23096), (1424, 20209), (2492, 11548), (2887, 9968), (4984, 5774)]