257796008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{9029}}^1$

素因数の和:9161

約数の個数: 32

約数和(自身を含む): 500623200

約数和(自身を除く): 242827192

約数列:

[1, 2, 4, 8, 43, 83, 86, 166, 172, 332, 344, 664, 3569, 7138, 9029, 14276, 18058, 28552, 36116, 72232, 388247, 749407, 776494, 1498814, 1552988, 2997628, 3105976, 5995256, 32224501, 64449002, 128898004, 257796008]

約数ペア:

[(1, 257796008), (2, 128898004), (4, 64449002), (8, 32224501), (43, 5995256), (83, 3105976), (86, 2997628), (166, 1552988), (172, 1498814), (332, 776494), (344, 749407), (664, 388247), (3569, 72232), (7138, 36116), (9029, 28552), (14276, 18058)]