16991744

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 42425856

約数和(自身を除く): 25434112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 431, 448, 512, 616, 704, 862, 896, 1232, 1408, 1724, 1792, 2464, 2816, 3017, 3448, 3584, 4741, 4928, 5632, 6034, 6896, 9482, 9856, 12068, 13792, 18964, 19712, 24136, 27584, 33187, 37928, 39424, 48272, 55168, 66374, 75856, 96544, 110336, 132748, 151712, 193088, 220672, 265496, 303424, 386176, 530992, 606848, 772352, 1061984, 1213696, 1544704, 2123968, 2427392, 4247936, 8495872, 16991744]

約数ペア:

[(1, 16991744), (2, 8495872), (4, 4247936), (7, 2427392), (8, 2123968), (11, 1544704), (14, 1213696), (16, 1061984), (22, 772352), (28, 606848), (32, 530992), (44, 386176), (56, 303424), (64, 265496), (77, 220672), (88, 193088), (112, 151712), (128, 132748), (154, 110336), (176, 96544), (224, 75856), (256, 66374), (308, 55168), (352, 48272), (431, 39424), (448, 37928), (512, 33187), (616, 27584), (704, 24136), (862, 19712), (896, 18964), (1232, 13792), (1408, 12068), (1724, 9856), (1792, 9482), (2464, 6896), (2816, 6034), (3017, 5632), (3448, 4928), (3584, 4741)]