81310208

素因数分解:

$2^9\times 7^3\times {\mathrm{463}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 189868800

約数和(自身を除く): 108558592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 463, 512, 686, 784, 896, 926, 1372, 1568, 1792, 1852, 2744, 3136, 3241, 3584, 3704, 5488, 6272, 6482, 7408, 10976, 12544, 12964, 14816, 21952, 22687, 25088, 25928, 29632, 43904, 45374, 51856, 59264, 87808, 90748, 103712, 118528, 158809, 175616, 181496, 207424, 237056, 317618, 362992, 414848, 635236, 725984, 829696, 1270472, 1451968, 1659392, 2540944, 2903936, 5081888, 5807872, 10163776, 11615744, 20327552, 40655104, 81310208]

約数ペア:

[(1, 81310208), (2, 40655104), (4, 20327552), (7, 11615744), (8, 10163776), (14, 5807872), (16, 5081888), (28, 2903936), (32, 2540944), (49, 1659392), (56, 1451968), (64, 1270472), (98, 829696), (112, 725984), (128, 635236), (196, 414848), (224, 362992), (256, 317618), (343, 237056), (392, 207424), (448, 181496), (463, 175616), (512, 158809), (686, 118528), (784, 103712), (896, 90748), (926, 87808), (1372, 59264), (1568, 51856), (1792, 45374), (1852, 43904), (2744, 29632), (3136, 25928), (3241, 25088), (3584, 22687), (3704, 21952), (5488, 14816), (6272, 12964), (6482, 12544), (7408, 10976)]