638261928

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1559

約数の個数: 96

約数和(自身を含む): 1797120000

約数和(自身を除く): 1158858072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 239, 261, 348, 478, 522, 696, 717, 956, 1044, 1279, 1434, 1912, 2088, 2151, 2558, 2868, 3837, 4302, 5116, 5736, 6931, 7674, 8604, 10232, 11511, 13862, 15348, 17208, 20793, 23022, 27724, 30696, 37091, 41586, 46044, 55448, 62379, 74182, 83172, 92088, 111273, 124758, 148364, 166344, 222546, 249516, 296728, 305681, 333819, 445092, 499032, 611362, 667638, 890184, 917043, 1222724, 1335276, 1834086, 2445448, 2670552, 2751129, 3668172, 5502258, 7336344, 8864749, 11004516, 17729498, 22009032, 26594247, 35458996, 53188494, 70917992, 79782741, 106376988, 159565482, 212753976, 319130964, 638261928]

約数ペア:

[(1, 638261928), (2, 319130964), (3, 212753976), (4, 159565482), (6, 106376988), (8, 79782741), (9, 70917992), (12, 53188494), (18, 35458996), (24, 26594247), (29, 22009032), (36, 17729498), (58, 11004516), (72, 8864749), (87, 7336344), (116, 5502258), (174, 3668172), (232, 2751129), (239, 2670552), (261, 2445448), (348, 1834086), (478, 1335276), (522, 1222724), (696, 917043), (717, 890184), (956, 667638), (1044, 611362), (1279, 499032), (1434, 445092), (1912, 333819), (2088, 305681), (2151, 296728), (2558, 249516), (2868, 222546), (3837, 166344), (4302, 148364), (5116, 124758), (5736, 111273), (6931, 92088), (7674, 83172), (8604, 74182), (10232, 62379), (11511, 55448), (13862, 46044), (15348, 41586), (17208, 37091), (20793, 30696), (23022, 27724)]