28507808

素因数分解:

$2^5\times 7^2\times {\mathrm{18181}}^1$

素因数の和:18205

約数の個数: 36

約数和(自身を含む): 65291562

約数和(自身を除く): 36783754

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 18181, 36362, 72724, 127267, 145448, 254534, 290896, 509068, 581792, 890869, 1018136, 1781738, 2036272, 3563476, 4072544, 7126952, 14253904, 28507808]

約数ペア:

[(1, 28507808), (2, 14253904), (4, 7126952), (7, 4072544), (8, 3563476), (14, 2036272), (16, 1781738), (28, 1018136), (32, 890869), (49, 581792), (56, 509068), (98, 290896), (112, 254534), (196, 145448), (224, 127267), (392, 72724), (784, 36362), (1568, 18181)]