39908988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 123002880

約数和(自身を除く): 83093892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 43, 58, 63, 84, 86, 87, 116, 126, 127, 129, 172, 174, 203, 252, 254, 258, 261, 301, 348, 381, 387, 406, 508, 516, 522, 602, 609, 762, 774, 812, 889, 903, 1044, 1143, 1204, 1218, 1247, 1524, 1548, 1778, 1806, 1827, 2286, 2436, 2494, 2667, 2709, 3556, 3612, 3654, 3683, 3741, 4572, 4988, 5334, 5418, 5461, 7308, 7366, 7482, 8001, 8729, 10668, 10836, 10922, 11049, 11223, 14732, 14964, 16002, 16383, 17458, 21844, 22098, 22446, 25781, 26187, 32004, 32766, 33147, 34916, 38227, 44196, 44892, 49149, 51562, 52374, 65532, 66294, 76454, 77343, 78561, 98298, 103124, 104748, 114681, 132588, 152908, 154686, 157122, 158369, 196596, 229362, 232029, 309372, 314244, 316738, 344043, 458724, 464058, 475107, 633476, 688086, 928116, 950214, 1108583, 1376172, 1425321, 1900428, 2217166, 2850642, 3325749, 4434332, 5701284, 6651498, 9977247, 13302996, 19954494, 39908988]

約数ペア:

[(1, 39908988), (2, 19954494), (3, 13302996), (4, 9977247), (6, 6651498), (7, 5701284), (9, 4434332), (12, 3325749), (14, 2850642), (18, 2217166), (21, 1900428), (28, 1425321), (29, 1376172), (36, 1108583), (42, 950214), (43, 928116), (58, 688086), (63, 633476), (84, 475107), (86, 464058), (87, 458724), (116, 344043), (126, 316738), (127, 314244), (129, 309372), (172, 232029), (174, 229362), (203, 196596), (252, 158369), (254, 157122), (258, 154686), (261, 152908), (301, 132588), (348, 114681), (381, 104748), (387, 103124), (406, 98298), (508, 78561), (516, 77343), (522, 76454), (602, 66294), (609, 65532), (762, 52374), (774, 51562), (812, 49149), (889, 44892), (903, 44196), (1044, 38227), (1143, 34916), (1204, 33147), (1218, 32766), (1247, 32004), (1524, 26187), (1548, 25781), (1778, 22446), (1806, 22098), (1827, 21844), (2286, 17458), (2436, 16383), (2494, 16002), (2667, 14964), (2709, 14732), (3556, 11223), (3612, 11049), (3654, 10922), (3683, 10836), (3741, 10668), (4572, 8729), (4988, 8001), (5334, 7482), (5418, 7366), (5461, 7308)]