1289778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 3102624

約数和(自身を除く): 1812846

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 107, 123, 147, 214, 246, 287, 294, 321, 574, 642, 749, 861, 1498, 1722, 2009, 2247, 4018, 4387, 4494, 5243, 6027, 8774, 10486, 12054, 13161, 15729, 26322, 30709, 31458, 61418, 92127, 184254, 214963, 429926, 644889, 1289778]

約数ペア:

[(1, 1289778), (2, 644889), (3, 429926), (6, 214963), (7, 184254), (14, 92127), (21, 61418), (41, 31458), (42, 30709), (49, 26322), (82, 15729), (98, 13161), (107, 12054), (123, 10486), (147, 8774), (214, 6027), (246, 5243), (287, 4494), (294, 4387), (321, 4018), (574, 2247), (642, 2009), (749, 1722), (861, 1498)]