25416748

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 53996544

約数和(自身を除く): 28579796

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 647, 854, 1294, 1403, 1708, 2588, 2806, 4529, 5612, 9058, 9821, 14881, 18116, 19642, 29762, 39284, 39467, 59524, 78934, 104167, 157868, 208334, 276269, 416668, 552538, 907741, 1105076, 1815482, 3630964, 6354187, 12708374, 25416748]

約数ペア:

[(1, 25416748), (2, 12708374), (4, 6354187), (7, 3630964), (14, 1815482), (23, 1105076), (28, 907741), (46, 552538), (61, 416668), (92, 276269), (122, 208334), (161, 157868), (244, 104167), (322, 78934), (427, 59524), (644, 39467), (647, 39284), (854, 29762), (1294, 19642), (1403, 18116), (1708, 14881), (2588, 9821), (2806, 9058), (4529, 5612)]