260861944

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{245171}}^1$

素因数の和:245203

約数の個数: 32

約数和(自身を含む): 588412800

約数和(自身を除く): 327550856

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 245171, 490342, 980684, 1716197, 1961368, 3432394, 4658249, 6864788, 9316498, 13729576, 18632996, 32607743, 37265992, 65215486, 130430972, 260861944]

約数ペア:

[(1, 260861944), (2, 130430972), (4, 65215486), (7, 37265992), (8, 32607743), (14, 18632996), (19, 13729576), (28, 9316498), (38, 6864788), (56, 4658249), (76, 3432394), (133, 1961368), (152, 1716197), (266, 980684), (532, 490342), (1064, 245171)]