28387164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{643}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 71695232

約数和(自身を除く): 43308068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 283, 566, 643, 849, 1132, 1286, 1698, 1929, 2572, 3396, 3679, 3858, 7358, 7716, 8359, 11037, 14716, 16718, 22074, 25077, 33436, 44148, 50154, 100308, 181969, 363938, 545907, 727876, 1091814, 2183628, 2365597, 4731194, 7096791, 9462388, 14193582, 28387164]

約数ペア:

[(1, 28387164), (2, 14193582), (3, 9462388), (4, 7096791), (6, 4731194), (12, 2365597), (13, 2183628), (26, 1091814), (39, 727876), (52, 545907), (78, 363938), (156, 181969), (283, 100308), (566, 50154), (643, 44148), (849, 33436), (1132, 25077), (1286, 22074), (1698, 16718), (1929, 14716), (2572, 11037), (3396, 8359), (3679, 7716), (3858, 7358)]