217205814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 512557056

約数和(自身を除く): 295351242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 127, 129, 254, 258, 301, 381, 602, 762, 889, 903, 947, 1778, 1806, 1894, 2667, 2841, 5334, 5461, 5682, 6629, 10922, 13258, 16383, 19887, 32766, 38227, 39774, 40721, 76454, 81442, 114681, 120269, 122163, 229362, 240538, 244326, 285047, 360807, 570094, 721614, 841883, 855141, 1683766, 1710282, 2525649, 5051298, 5171567, 10343134, 15514701, 31029402, 36200969, 72401938, 108602907, 217205814]

約数ペア:

[(1, 217205814), (2, 108602907), (3, 72401938), (6, 36200969), (7, 31029402), (14, 15514701), (21, 10343134), (42, 5171567), (43, 5051298), (86, 2525649), (127, 1710282), (129, 1683766), (254, 855141), (258, 841883), (301, 721614), (381, 570094), (602, 360807), (762, 285047), (889, 244326), (903, 240538), (947, 229362), (1778, 122163), (1806, 120269), (1894, 114681), (2667, 81442), (2841, 76454), (5334, 40721), (5461, 39774), (5682, 38227), (6629, 32766), (10922, 19887), (13258, 16383)]