66505554

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 146928600

約数和(自身を除く): 80423046

約数列:

[1, 2, 3, 6, 9, 18, 137, 149, 181, 274, 298, 362, 411, 447, 543, 822, 894, 1086, 1233, 1341, 1629, 2466, 2682, 3258, 20413, 24797, 26969, 40826, 49594, 53938, 61239, 74391, 80907, 122478, 148782, 161814, 183717, 223173, 242721, 367434, 446346, 485442, 3694753, 7389506, 11084259, 22168518, 33252777, 66505554]

約数ペア:

[(1, 66505554), (2, 33252777), (3, 22168518), (6, 11084259), (9, 7389506), (18, 3694753), (137, 485442), (149, 446346), (181, 367434), (274, 242721), (298, 223173), (362, 183717), (411, 161814), (447, 148782), (543, 122478), (822, 80907), (894, 74391), (1086, 61239), (1233, 53938), (1341, 49594), (1629, 40826), (2466, 26969), (2682, 24797), (3258, 20413)]