258944336

素因数分解:

$2^4\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2333}}^1$

素因数の和:3339

約数の個数: 40

約数和(自身を含む): 574201344

約数和(自身を除く): 315257008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 991, 1982, 2333, 3964, 4666, 6937, 7928, 9332, 13874, 15856, 16331, 18664, 27748, 32662, 37328, 55496, 65324, 110992, 130648, 261296, 2312003, 4624006, 9248012, 16184021, 18496024, 32368042, 36992048, 64736084, 129472168, 258944336]

約数ペア:

[(1, 258944336), (2, 129472168), (4, 64736084), (7, 36992048), (8, 32368042), (14, 18496024), (16, 16184021), (28, 9248012), (56, 4624006), (112, 2312003), (991, 261296), (1982, 130648), (2333, 110992), (3964, 65324), (4666, 55496), (6937, 37328), (7928, 32662), (9332, 27748), (13874, 18664), (15856, 16331)]