138478906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2903}}^1$

素因数の和:3006

約数の個数: 32

約数和(自身を含む): 233342208

約数和(自身を除く): 94863302

約数列:

[1, 2, 17, 23, 34, 46, 61, 122, 391, 782, 1037, 1403, 2074, 2806, 2903, 5806, 23851, 47702, 49351, 66769, 98702, 133538, 177083, 354166, 1135073, 2270146, 3010411, 4072909, 6020822, 8145818, 69239453, 138478906]

約数ペア:

[(1, 138478906), (2, 69239453), (17, 8145818), (23, 6020822), (34, 4072909), (46, 3010411), (61, 2270146), (122, 1135073), (391, 354166), (782, 177083), (1037, 133538), (1403, 98702), (2074, 66769), (2806, 49351), (2903, 47702), (5806, 23851)]