138979946

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 254788416

約数和(自身を除く): 115808470

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 257, 266, 361, 514, 722, 749, 1498, 1799, 2033, 2527, 3598, 4066, 4883, 5054, 9766, 14231, 27499, 28462, 34181, 38627, 54998, 68362, 77254, 92777, 185554, 192493, 270389, 384986, 522481, 540778, 649439, 1044962, 1298878, 3657367, 7314734, 9927139, 19854278, 69489973, 138979946]

約数ペア:

[(1, 138979946), (2, 69489973), (7, 19854278), (14, 9927139), (19, 7314734), (38, 3657367), (107, 1298878), (133, 1044962), (214, 649439), (257, 540778), (266, 522481), (361, 384986), (514, 270389), (722, 192493), (749, 185554), (1498, 92777), (1799, 77254), (2033, 68362), (2527, 54998), (3598, 38627), (4066, 34181), (4883, 28462), (5054, 27499), (9766, 14231)]