1804208

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 4062240

約数和(自身を除く): 2258032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 181, 356, 362, 623, 712, 724, 1246, 1267, 1424, 1448, 2492, 2534, 2896, 4984, 5068, 9968, 10136, 16109, 20272, 32218, 64436, 112763, 128872, 225526, 257744, 451052, 902104, 1804208]

約数ペア:

[(1, 1804208), (2, 902104), (4, 451052), (7, 257744), (8, 225526), (14, 128872), (16, 112763), (28, 64436), (56, 32218), (89, 20272), (112, 16109), (178, 10136), (181, 9968), (356, 5068), (362, 4984), (623, 2896), (712, 2534), (724, 2492), (1246, 1448), (1267, 1424)]