1815968

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 4558176

約数和(自身を除く): 2742208

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 67, 77, 88, 112, 121, 134, 154, 176, 224, 242, 268, 308, 352, 469, 484, 536, 616, 737, 847, 938, 968, 1072, 1232, 1474, 1694, 1876, 1936, 2144, 2464, 2948, 3388, 3752, 3872, 5159, 5896, 6776, 7504, 8107, 10318, 11792, 13552, 15008, 16214, 20636, 23584, 27104, 32428, 41272, 56749, 64856, 82544, 113498, 129712, 165088, 226996, 259424, 453992, 907984, 1815968]

約数ペア:

[(1, 1815968), (2, 907984), (4, 453992), (7, 259424), (8, 226996), (11, 165088), (14, 129712), (16, 113498), (22, 82544), (28, 64856), (32, 56749), (44, 41272), (56, 32428), (67, 27104), (77, 23584), (88, 20636), (112, 16214), (121, 15008), (134, 13552), (154, 11792), (176, 10318), (224, 8107), (242, 7504), (268, 6776), (308, 5896), (352, 5159), (469, 3872), (484, 3752), (536, 3388), (616, 2948), (737, 2464), (847, 2144), (938, 1936), (968, 1876), (1072, 1694), (1232, 1474)]