31331916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 69306804

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 89, 99, 126, 127, 132, 154, 178, 198, 231, 252, 254, 267, 308, 356, 381, 396, 462, 508, 534, 623, 693, 762, 801, 889, 924, 979, 1068, 1143, 1246, 1386, 1397, 1524, 1602, 1778, 1869, 1958, 2286, 2492, 2667, 2772, 2794, 2937, 3204, 3556, 3738, 3916, 4191, 4572, 5334, 5588, 5607, 5874, 6853, 7476, 8001, 8382, 8811, 9779, 10668, 11214, 11303, 11748, 12573, 13706, 16002, 16764, 17622, 19558, 20559, 22428, 22606, 25146, 27412, 29337, 32004, 33909, 35244, 39116, 41118, 45212, 50292, 58674, 61677, 67818, 79121, 82236, 88011, 101727, 117348, 123354, 124333, 135636, 158242, 176022, 203454, 237363, 246708, 248666, 316484, 352044, 372999, 406908, 474726, 497332, 712089, 745998, 870331, 949452, 1118997, 1424178, 1491996, 1740662, 2237994, 2610993, 2848356, 3481324, 4475988, 5221986, 7832979, 10443972, 15665958, 31331916]

約数ペア:

[(1, 31331916), (2, 15665958), (3, 10443972), (4, 7832979), (6, 5221986), (7, 4475988), (9, 3481324), (11, 2848356), (12, 2610993), (14, 2237994), (18, 1740662), (21, 1491996), (22, 1424178), (28, 1118997), (33, 949452), (36, 870331), (42, 745998), (44, 712089), (63, 497332), (66, 474726), (77, 406908), (84, 372999), (89, 352044), (99, 316484), (126, 248666), (127, 246708), (132, 237363), (154, 203454), (178, 176022), (198, 158242), (231, 135636), (252, 124333), (254, 123354), (267, 117348), (308, 101727), (356, 88011), (381, 82236), (396, 79121), (462, 67818), (508, 61677), (534, 58674), (623, 50292), (693, 45212), (762, 41118), (801, 39116), (889, 35244), (924, 33909), (979, 32004), (1068, 29337), (1143, 27412), (1246, 25146), (1386, 22606), (1397, 22428), (1524, 20559), (1602, 19558), (1778, 17622), (1869, 16764), (1958, 16002), (2286, 13706), (2492, 12573), (2667, 11748), (2772, 11303), (2794, 11214), (2937, 10668), (3204, 9779), (3556, 8811), (3738, 8382), (3916, 8001), (4191, 7476), (4572, 6853), (5334, 5874), (5588, 5607)]