28173884

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 52806600

約数和(自身を除く): 24632716

約数列:

[1, 2, 4, 19, 38, 76, 109, 179, 218, 358, 361, 436, 716, 722, 1444, 2071, 3401, 4142, 6802, 8284, 13604, 19511, 39022, 39349, 64619, 78044, 78698, 129238, 157396, 258476, 370709, 741418, 1482836, 7043471, 14086942, 28173884]

約数ペア:

[(1, 28173884), (2, 14086942), (4, 7043471), (19, 1482836), (38, 741418), (76, 370709), (109, 258476), (179, 157396), (218, 129238), (358, 78698), (361, 78044), (436, 64619), (716, 39349), (722, 39022), (1444, 19511), (2071, 13604), (3401, 8284), (4142, 6802)]