13442968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 31852800

約数和(自身を除く): 18409832

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 139, 154, 157, 278, 308, 314, 556, 616, 628, 973, 1099, 1112, 1256, 1529, 1727, 1946, 2198, 3058, 3454, 3892, 4396, 6116, 6908, 7784, 8792, 10703, 12089, 12232, 13816, 21406, 21823, 24178, 42812, 43646, 48356, 85624, 87292, 96712, 152761, 174584, 240053, 305522, 480106, 611044, 960212, 1222088, 1680371, 1920424, 3360742, 6721484, 13442968]

約数ペア:

[(1, 13442968), (2, 6721484), (4, 3360742), (7, 1920424), (8, 1680371), (11, 1222088), (14, 960212), (22, 611044), (28, 480106), (44, 305522), (56, 240053), (77, 174584), (88, 152761), (139, 96712), (154, 87292), (157, 85624), (278, 48356), (308, 43646), (314, 42812), (556, 24178), (616, 21823), (628, 21406), (973, 13816), (1099, 12232), (1112, 12089), (1256, 10703), (1529, 8792), (1727, 7784), (1946, 6908), (2198, 6116), (3058, 4396), (3454, 3892)]