161772016

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13499}}^1$

素因数の和:13621

約数の個数: 40

約数和(自身を含む): 361584000

約数和(自身を除く): 199811984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 11984, 13499, 26998, 53996, 94493, 107992, 188986, 215984, 377972, 755944, 1444393, 1511888, 2888786, 5777572, 10110751, 11555144, 20221502, 23110288, 40443004, 80886008, 161772016]

約数ペア:

[(1, 161772016), (2, 80886008), (4, 40443004), (7, 23110288), (8, 20221502), (14, 11555144), (16, 10110751), (28, 5777572), (56, 2888786), (107, 1511888), (112, 1444393), (214, 755944), (428, 377972), (749, 215984), (856, 188986), (1498, 107992), (1712, 94493), (2996, 53996), (5992, 26998), (11984, 13499)]