198156218

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{3469}}^1$

素因数の和:3523

約数の個数: 20

約数和(自身を含む): 322095810

約数和(自身を除く): 123939592

約数列:

[1, 2, 13, 26, 169, 338, 2197, 3469, 4394, 6938, 28561, 45097, 57122, 90194, 586261, 1172522, 7621393, 15242786, 99078109, 198156218]

約数ペア:

[(1, 198156218), (2, 99078109), (13, 15242786), (26, 7621393), (169, 1172522), (338, 586261), (2197, 90194), (3469, 57122), (4394, 45097), (6938, 28561)]