203656208

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{20431}}^1$

素因数の和:20535

約数の個数: 40

約数和(自身を含む): 456042240

約数和(自身を除く): 252386032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 20431, 40862, 81724, 143017, 163448, 286034, 326896, 572068, 1144136, 1818359, 2288272, 3636718, 7273436, 12728513, 14546872, 25457026, 29093744, 50914052, 101828104, 203656208]

約数ペア:

[(1, 203656208), (2, 101828104), (4, 50914052), (7, 29093744), (8, 25457026), (14, 14546872), (16, 12728513), (28, 7273436), (56, 3636718), (89, 2288272), (112, 1818359), (178, 1144136), (356, 572068), (623, 326896), (712, 286034), (1246, 163448), (1424, 143017), (2492, 81724), (4984, 40862), (9968, 20431)]