138784828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 304160640

約数和(自身を除く): 165375812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 169, 182, 211, 278, 338, 364, 422, 556, 676, 844, 973, 1183, 1477, 1807, 1946, 2366, 2743, 2954, 3614, 3892, 4732, 5486, 5908, 7228, 10972, 12649, 19201, 23491, 25298, 29329, 35659, 38402, 46982, 50596, 58658, 71318, 76804, 93964, 117316, 142636, 164437, 205303, 249613, 328874, 381277, 410606, 499226, 657748, 762554, 821212, 998452, 1525108, 2668939, 4956601, 5337878, 9913202, 10675756, 19826404, 34696207, 69392414, 138784828]

約数ペア:

[(1, 138784828), (2, 69392414), (4, 34696207), (7, 19826404), (13, 10675756), (14, 9913202), (26, 5337878), (28, 4956601), (52, 2668939), (91, 1525108), (139, 998452), (169, 821212), (182, 762554), (211, 657748), (278, 499226), (338, 410606), (364, 381277), (422, 328874), (556, 249613), (676, 205303), (844, 164437), (973, 142636), (1183, 117316), (1477, 93964), (1807, 76804), (1946, 71318), (2366, 58658), (2743, 50596), (2954, 46982), (3614, 38402), (3892, 35659), (4732, 29329), (5486, 25298), (5908, 23491), (7228, 19201), (10972, 12649)]