28579572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 89456640

約数和(自身を除く): 60877068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 76, 84, 94, 114, 126, 127, 133, 141, 171, 188, 228, 252, 254, 266, 282, 329, 342, 381, 399, 423, 508, 532, 564, 658, 684, 762, 798, 846, 889, 893, 987, 1143, 1197, 1316, 1524, 1596, 1692, 1778, 1786, 1974, 2286, 2394, 2413, 2667, 2679, 2961, 3556, 3572, 3948, 4572, 4788, 4826, 5334, 5358, 5922, 5969, 6251, 7239, 8001, 8037, 9652, 10668, 10716, 11844, 11938, 12502, 14478, 16002, 16074, 16891, 17907, 18753, 21717, 23876, 25004, 28956, 32004, 32148, 33782, 35814, 37506, 41783, 43434, 50673, 53721, 56259, 67564, 71628, 75012, 83566, 86868, 101346, 107442, 112518, 113411, 125349, 152019, 167132, 202692, 214884, 225036, 226822, 250698, 304038, 340233, 376047, 453644, 501396, 608076, 680466, 752094, 793877, 1020699, 1360932, 1504188, 1587754, 2041398, 2381631, 3175508, 4082796, 4763262, 7144893, 9526524, 14289786, 28579572]

約数ペア:

[(1, 28579572), (2, 14289786), (3, 9526524), (4, 7144893), (6, 4763262), (7, 4082796), (9, 3175508), (12, 2381631), (14, 2041398), (18, 1587754), (19, 1504188), (21, 1360932), (28, 1020699), (36, 793877), (38, 752094), (42, 680466), (47, 608076), (57, 501396), (63, 453644), (76, 376047), (84, 340233), (94, 304038), (114, 250698), (126, 226822), (127, 225036), (133, 214884), (141, 202692), (171, 167132), (188, 152019), (228, 125349), (252, 113411), (254, 112518), (266, 107442), (282, 101346), (329, 86868), (342, 83566), (381, 75012), (399, 71628), (423, 67564), (508, 56259), (532, 53721), (564, 50673), (658, 43434), (684, 41783), (762, 37506), (798, 35814), (846, 33782), (889, 32148), (893, 32004), (987, 28956), (1143, 25004), (1197, 23876), (1316, 21717), (1524, 18753), (1596, 17907), (1692, 16891), (1778, 16074), (1786, 16002), (1974, 14478), (2286, 12502), (2394, 11938), (2413, 11844), (2667, 10716), (2679, 10668), (2961, 9652), (3556, 8037), (3572, 8001), (3948, 7239), (4572, 6251), (4788, 5969), (4826, 5922), (5334, 5358)]