638732772

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 162

約数和(自身を含む): 1800651398

約数和(自身を除く): 1161918626

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 73, 87, 102, 116, 146, 153, 174, 204, 219, 261, 289, 292, 306, 348, 438, 493, 522, 578, 612, 657, 841, 867, 876, 986, 1044, 1156, 1241, 1314, 1479, 1682, 1734, 1972, 2117, 2482, 2523, 2601, 2628, 2958, 3364, 3468, 3723, 4234, 4437, 4964, 5046, 5202, 5916, 6351, 7446, 7569, 8381, 8468, 8874, 10092, 10404, 11169, 12702, 14297, 14892, 15138, 16762, 17748, 19053, 21097, 22338, 25143, 25404, 28594, 30276, 33524, 35989, 38106, 42194, 42891, 44676, 50286, 57188, 61393, 63291, 71978, 75429, 76212, 84388, 85782, 100572, 107967, 122786, 126582, 128673, 143956, 150858, 171564, 184179, 189873, 215934, 243049, 245572, 253164, 257346, 301716, 323901, 368358, 379746, 431868, 486098, 514692, 552537, 611813, 647802, 729147, 736716, 759492, 972196, 1043681, 1105074, 1223626, 1295604, 1458294, 1835439, 2087362, 2187441, 2210148, 2447252, 2916588, 3131043, 3670878, 4174724, 4374882, 5506317, 6262086, 7341756, 8749764, 9393129, 11012634, 12524172, 17742577, 18786258, 22025268, 35485154, 37572516, 53227731, 70970308, 106455462, 159683193, 212910924, 319366386, 638732772]

約数ペア:

[(1, 638732772), (2, 319366386), (3, 212910924), (4, 159683193), (6, 106455462), (9, 70970308), (12, 53227731), (17, 37572516), (18, 35485154), (29, 22025268), (34, 18786258), (36, 17742577), (51, 12524172), (58, 11012634), (68, 9393129), (73, 8749764), (87, 7341756), (102, 6262086), (116, 5506317), (146, 4374882), (153, 4174724), (174, 3670878), (204, 3131043), (219, 2916588), (261, 2447252), (289, 2210148), (292, 2187441), (306, 2087362), (348, 1835439), (438, 1458294), (493, 1295604), (522, 1223626), (578, 1105074), (612, 1043681), (657, 972196), (841, 759492), (867, 736716), (876, 729147), (986, 647802), (1044, 611813), (1156, 552537), (1241, 514692), (1314, 486098), (1479, 431868), (1682, 379746), (1734, 368358), (1972, 323901), (2117, 301716), (2482, 257346), (2523, 253164), (2601, 245572), (2628, 243049), (2958, 215934), (3364, 189873), (3468, 184179), (3723, 171564), (4234, 150858), (4437, 143956), (4964, 128673), (5046, 126582), (5202, 122786), (5916, 107967), (6351, 100572), (7446, 85782), (7569, 84388), (8381, 76212), (8468, 75429), (8874, 71978), (10092, 63291), (10404, 61393), (11169, 57188), (12702, 50286), (14297, 44676), (14892, 42891), (15138, 42194), (16762, 38106), (17748, 35989), (19053, 33524), (21097, 30276), (22338, 28594), (25143, 25404)]