13405938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 33825792

約数和(自身を除く): 20419854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 571, 602, 903, 1118, 1142, 1677, 1713, 1806, 3354, 3426, 3913, 3997, 7423, 7826, 7994, 11739, 11991, 14846, 22269, 23478, 23982, 24553, 44538, 49106, 51961, 73659, 103922, 147318, 155883, 171871, 311766, 319189, 343742, 515613, 638378, 957567, 1031226, 1915134, 2234323, 4468646, 6702969, 13405938]

約数ペア:

[(1, 13405938), (2, 6702969), (3, 4468646), (6, 2234323), (7, 1915134), (13, 1031226), (14, 957567), (21, 638378), (26, 515613), (39, 343742), (42, 319189), (43, 311766), (78, 171871), (86, 155883), (91, 147318), (129, 103922), (182, 73659), (258, 51961), (273, 49106), (301, 44538), (546, 24553), (559, 23982), (571, 23478), (602, 22269), (903, 14846), (1118, 11991), (1142, 11739), (1677, 7994), (1713, 7826), (1806, 7423), (3354, 3997), (3426, 3913)]