163983568

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16451}}^1$

素因数の和:16555

約数の個数: 40

約数和(自身を含む): 367208640

約数和(自身を除く): 203225072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 16451, 32902, 65804, 115157, 131608, 230314, 263216, 460628, 921256, 1464139, 1842512, 2928278, 5856556, 10248973, 11713112, 20497946, 23426224, 40995892, 81991784, 163983568]

約数ペア:

[(1, 163983568), (2, 81991784), (4, 40995892), (7, 23426224), (8, 20497946), (14, 11713112), (16, 10248973), (28, 5856556), (56, 2928278), (89, 1842512), (112, 1464139), (178, 921256), (356, 460628), (623, 263216), (712, 230314), (1246, 131608), (1424, 115157), (2492, 65804), (4984, 32902), (9968, 16451)]