660778864

素因数分解:

$2^4\times {\mathrm{3119}}^1\times {\mathrm{13241}}^1$

素因数の和:16368

約数の個数: 20

約数和(自身を含む): 1280766240

約数和(自身を除く): 619987376

約数列:

[1, 2, 4, 8, 16, 3119, 6238, 12476, 13241, 24952, 26482, 49904, 52964, 105928, 211856, 41298679, 82597358, 165194716, 330389432, 660778864]

約数ペア:

[(1, 660778864), (2, 330389432), (4, 165194716), (8, 82597358), (16, 41298679), (3119, 211856), (6238, 105928), (12476, 52964), (13241, 49904), (24952, 26482)]