218361008

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{125207}}^1$

素因数の和:125324

約数の個数: 20

約数和(自身を含む): 426959280

約数和(自身を除く): 208598272

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 125207, 250414, 500828, 1001656, 2003312, 13647563, 27295126, 54590252, 109180504, 218361008]

約数ペア:

[(1, 218361008), (2, 109180504), (4, 54590252), (8, 27295126), (16, 13647563), (109, 2003312), (218, 1001656), (436, 500828), (872, 250414), (1744, 125207)]