438821344

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1620

約数の個数: 72

約数和(自身を含む): 953771112

約数和(自身を除く): 514949768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 169, 208, 212, 338, 416, 424, 676, 689, 848, 1352, 1378, 1531, 1696, 2704, 2756, 3062, 5408, 5512, 6124, 8957, 11024, 12248, 17914, 19903, 22048, 24496, 35828, 39806, 48992, 71656, 79612, 81143, 143312, 159224, 162286, 258739, 286624, 318448, 324572, 517478, 636896, 649144, 1034956, 1054859, 1298288, 2069912, 2109718, 2596576, 4139824, 4219436, 8279648, 8438872, 13713167, 16877744, 27426334, 33755488, 54852668, 109705336, 219410672, 438821344]

約数ペア:

[(1, 438821344), (2, 219410672), (4, 109705336), (8, 54852668), (13, 33755488), (16, 27426334), (26, 16877744), (32, 13713167), (52, 8438872), (53, 8279648), (104, 4219436), (106, 4139824), (169, 2596576), (208, 2109718), (212, 2069912), (338, 1298288), (416, 1054859), (424, 1034956), (676, 649144), (689, 636896), (848, 517478), (1352, 324572), (1378, 318448), (1531, 286624), (1696, 258739), (2704, 162286), (2756, 159224), (3062, 143312), (5408, 81143), (5512, 79612), (6124, 71656), (8957, 48992), (11024, 39806), (12248, 35828), (17914, 24496), (19903, 22048)]