28307696

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 56291040

約数和(自身を除く): 27983344

約数列:

[1, 2, 4, 8, 16, 89, 103, 178, 193, 206, 356, 386, 412, 712, 772, 824, 1424, 1544, 1648, 3088, 9167, 17177, 18334, 19879, 34354, 36668, 39758, 68708, 73336, 79516, 137416, 146672, 159032, 274832, 318064, 1769231, 3538462, 7076924, 14153848, 28307696]

約数ペア:

[(1, 28307696), (2, 14153848), (4, 7076924), (8, 3538462), (16, 1769231), (89, 318064), (103, 274832), (178, 159032), (193, 146672), (206, 137416), (356, 79516), (386, 73336), (412, 68708), (712, 39758), (772, 36668), (824, 34354), (1424, 19879), (1544, 18334), (1648, 17177), (3088, 9167)]