7721264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{28387}}^1$

素因数の和:28412

約数の個数: 20

約数和(自身を含む): 15840504

約数和(自身を除く): 8119240

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 28387, 56774, 113548, 227096, 454192, 482579, 965158, 1930316, 3860632, 7721264]

約数ペア:

[(1, 7721264), (2, 3860632), (4, 1930316), (8, 965158), (16, 482579), (17, 454192), (34, 227096), (68, 113548), (136, 56774), (272, 28387)]