28319416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208231}}^1$

素因数の和:208254

約数の個数: 16

約数和(自身を含む): 56222640

約数和(自身を除く): 27903224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208231, 416462, 832924, 1665848, 3539927, 7079854, 14159708, 28319416]

約数ペア:

[(1, 28319416), (2, 14159708), (4, 7079854), (8, 3539927), (17, 1665848), (34, 832924), (68, 416462), (136, 208231)]