28753326

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 78566400

約数和(自身を除く): 49813074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 43, 54, 58, 61, 63, 86, 87, 122, 126, 129, 174, 183, 189, 203, 258, 261, 301, 366, 378, 387, 406, 427, 522, 549, 602, 609, 774, 783, 854, 903, 1098, 1161, 1218, 1247, 1281, 1566, 1647, 1769, 1806, 1827, 2322, 2494, 2562, 2623, 2709, 3294, 3538, 3654, 3741, 3843, 5246, 5307, 5418, 5481, 7482, 7686, 7869, 8127, 8729, 10614, 10962, 11223, 11529, 12383, 15738, 15921, 16254, 17458, 18361, 22446, 23058, 23607, 24766, 26187, 31842, 33669, 36722, 37149, 47214, 47763, 52374, 55083, 67338, 70821, 74298, 76067, 78561, 95526, 110166, 111447, 141642, 152134, 157122, 165249, 222894, 228201, 235683, 330498, 334341, 456402, 471366, 495747, 532469, 668682, 684603, 991494, 1064938, 1369206, 1597407, 2053809, 3194814, 4107618, 4792221, 9584442, 14376663, 28753326]

約数ペア:

[(1, 28753326), (2, 14376663), (3, 9584442), (6, 4792221), (7, 4107618), (9, 3194814), (14, 2053809), (18, 1597407), (21, 1369206), (27, 1064938), (29, 991494), (42, 684603), (43, 668682), (54, 532469), (58, 495747), (61, 471366), (63, 456402), (86, 334341), (87, 330498), (122, 235683), (126, 228201), (129, 222894), (174, 165249), (183, 157122), (189, 152134), (203, 141642), (258, 111447), (261, 110166), (301, 95526), (366, 78561), (378, 76067), (387, 74298), (406, 70821), (427, 67338), (522, 55083), (549, 52374), (602, 47763), (609, 47214), (774, 37149), (783, 36722), (854, 33669), (903, 31842), (1098, 26187), (1161, 24766), (1218, 23607), (1247, 23058), (1281, 22446), (1566, 18361), (1647, 17458), (1769, 16254), (1806, 15921), (1827, 15738), (2322, 12383), (2494, 11529), (2562, 11223), (2623, 10962), (2709, 10614), (3294, 8729), (3538, 8127), (3654, 7869), (3741, 7686), (3843, 7482), (5246, 5481), (5307, 5418)]