199913728

素因数分解:

$2^8\times 7^2\times {\mathrm{15937}}^1$

素因数の和:15967

約数の個数: 54

約数和(自身を含む): 464226126

約数和(自身を除く): 264312398

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 15937, 31874, 63748, 111559, 127496, 223118, 254992, 446236, 509984, 780913, 892472, 1019968, 1561826, 1784944, 2039936, 3123652, 3569888, 4079872, 6247304, 7139776, 12494608, 14279552, 24989216, 28559104, 49978432, 99956864, 199913728]

約数ペア:

[(1, 199913728), (2, 99956864), (4, 49978432), (7, 28559104), (8, 24989216), (14, 14279552), (16, 12494608), (28, 7139776), (32, 6247304), (49, 4079872), (56, 3569888), (64, 3123652), (98, 2039936), (112, 1784944), (128, 1561826), (196, 1019968), (224, 892472), (256, 780913), (392, 509984), (448, 446236), (784, 254992), (896, 223118), (1568, 127496), (1792, 111559), (3136, 63748), (6272, 31874), (12544, 15937)]