1996841728

素因数分解:

$2^8\times 7^3\times {\mathrm{22741}}^1$

素因数の和:22778

約数の個数: 72

約数和(自身を含む): 4648464800

約数和(自身を除く): 2651623072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 5488, 6272, 10976, 12544, 21952, 22741, 43904, 45482, 87808, 90964, 159187, 181928, 318374, 363856, 636748, 727712, 1114309, 1273496, 1455424, 2228618, 2546992, 2910848, 4457236, 5093984, 5821696, 7800163, 8914472, 10187968, 15600326, 17828944, 20375936, 31200652, 35657888, 40751872, 62401304, 71315776, 124802608, 142631552, 249605216, 285263104, 499210432, 998420864, 1996841728]

約数ペア:

[(1, 1996841728), (2, 998420864), (4, 499210432), (7, 285263104), (8, 249605216), (14, 142631552), (16, 124802608), (28, 71315776), (32, 62401304), (49, 40751872), (56, 35657888), (64, 31200652), (98, 20375936), (112, 17828944), (128, 15600326), (196, 10187968), (224, 8914472), (256, 7800163), (343, 5821696), (392, 5093984), (448, 4457236), (686, 2910848), (784, 2546992), (896, 2228618), (1372, 1455424), (1568, 1273496), (1792, 1114309), (2744, 727712), (3136, 636748), (5488, 363856), (6272, 318374), (10976, 181928), (12544, 159187), (21952, 90964), (22741, 87808), (43904, 45482)]