1668702978

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{24781}}^1$

素因数の和:24864

約数の個数: 64

約数和(自身を含む): 3925468800

約数和(自身を除く): 2256765822

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 43, 54, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 783, 1161, 1247, 1566, 2322, 2494, 3741, 7482, 11223, 22446, 24781, 33669, 49562, 67338, 74343, 148686, 223029, 446058, 669087, 718649, 1065583, 1338174, 1437298, 2131166, 2155947, 3196749, 4311894, 6393498, 6467841, 9590247, 12935682, 19180494, 19403523, 28770741, 30901907, 38807046, 57541482, 61803814, 92705721, 185411442, 278117163, 556234326, 834351489, 1668702978]

約数ペア:

[(1, 1668702978), (2, 834351489), (3, 556234326), (6, 278117163), (9, 185411442), (18, 92705721), (27, 61803814), (29, 57541482), (43, 38807046), (54, 30901907), (58, 28770741), (86, 19403523), (87, 19180494), (129, 12935682), (174, 9590247), (258, 6467841), (261, 6393498), (387, 4311894), (522, 3196749), (774, 2155947), (783, 2131166), (1161, 1437298), (1247, 1338174), (1566, 1065583), (2322, 718649), (2494, 669087), (3741, 446058), (7482, 223029), (11223, 148686), (22446, 74343), (24781, 67338), (33669, 49562)]