2643886

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 4571136

約数和(自身を除く): 1927250

約数列:

[1, 2, 7, 14, 127, 254, 889, 1487, 1778, 2974, 10409, 20818, 188849, 377698, 1321943, 2643886]

約数ペア:

[(1, 2643886), (2, 1321943), (7, 377698), (14, 188849), (127, 20818), (254, 10409), (889, 2974), (1487, 1778)]