28719733

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 32

約数和(自身を含む): 35993600

約数和(自身を除く): 7273867

約数列:

[1, 7, 31, 37, 49, 73, 217, 259, 343, 511, 1147, 1519, 1813, 2263, 2701, 3577, 8029, 10633, 12691, 15841, 18907, 25039, 56203, 83731, 110887, 132349, 393421, 586117, 776209, 926443, 4102819, 28719733]

約数ペア:

[(1, 28719733), (7, 4102819), (31, 926443), (37, 776209), (49, 586117), (73, 393421), (217, 132349), (259, 110887), (343, 83731), (511, 56203), (1147, 25039), (1519, 18907), (1813, 15841), (2263, 12691), (2701, 10633), (3577, 8029)]