217201376

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 72

約数和(自身を含む): 505476720

約数和(自身を除く): 288275344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 961, 992, 1009, 1736, 1922, 2018, 3472, 3844, 4036, 6727, 6944, 7063, 7688, 8072, 13454, 14126, 15376, 16144, 26908, 28252, 30752, 31279, 32288, 53816, 56504, 62558, 107632, 113008, 125116, 215264, 218953, 226016, 250232, 437906, 500464, 875812, 969649, 1000928, 1751624, 1939298, 3503248, 3878596, 6787543, 7006496, 7757192, 13575086, 15514384, 27150172, 31028768, 54300344, 108600688, 217201376]

約数ペア:

[(1, 217201376), (2, 108600688), (4, 54300344), (7, 31028768), (8, 27150172), (14, 15514384), (16, 13575086), (28, 7757192), (31, 7006496), (32, 6787543), (56, 3878596), (62, 3503248), (112, 1939298), (124, 1751624), (217, 1000928), (224, 969649), (248, 875812), (434, 500464), (496, 437906), (868, 250232), (961, 226016), (992, 218953), (1009, 215264), (1736, 125116), (1922, 113008), (2018, 107632), (3472, 62558), (3844, 56504), (4036, 53816), (6727, 32288), (6944, 31279), (7063, 30752), (7688, 28252), (8072, 26908), (13454, 16144), (14126, 15376)]