254245178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 425295360

約数和(自身を除く): 171050182

約数列:

[1, 2, 11, 22, 71, 139, 142, 278, 781, 1171, 1529, 1562, 2342, 3058, 9869, 12881, 19738, 25762, 83141, 108559, 162769, 166282, 217118, 325538, 914551, 1790459, 1829102, 3580918, 11556599, 23113198, 127122589, 254245178]

約数ペア:

[(1, 254245178), (2, 127122589), (11, 23113198), (22, 11556599), (71, 3580918), (139, 1829102), (142, 1790459), (278, 914551), (781, 325538), (1171, 217118), (1529, 166282), (1562, 162769), (2342, 108559), (3058, 83141), (9869, 25762), (12881, 19738)]