13167728

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1425

約数の個数: 40

約数和(自身を含む): 29507040

約数和(自身を除く): 16339312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1321, 1424, 2492, 2642, 4984, 5284, 9247, 9968, 10568, 18494, 21136, 36988, 73976, 117569, 147952, 235138, 470276, 822983, 940552, 1645966, 1881104, 3291932, 6583864, 13167728]

約数ペア:

[(1, 13167728), (2, 6583864), (4, 3291932), (7, 1881104), (8, 1645966), (14, 940552), (16, 822983), (28, 470276), (56, 235138), (89, 147952), (112, 117569), (178, 73976), (356, 36988), (623, 21136), (712, 18494), (1246, 10568), (1321, 9968), (1424, 9247), (2492, 5284), (2642, 4984)]