138928356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12821}}^1$

素因数の和:12881

約数の個数: 72

約数和(自身を含む): 410714304

約数和(自身を除く): 271785948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 12821, 25642, 38463, 51284, 76926, 89747, 115389, 153852, 179494, 230778, 269241, 358988, 461556, 538482, 551303, 807723, 1076964, 1102606, 1615446, 1653909, 2205212, 3230892, 3307818, 3859121, 4961727, 6615636, 7718242, 9923454, 11577363, 15436484, 19846908, 23154726, 34732089, 46309452, 69464178, 138928356]

約数ペア:

[(1, 138928356), (2, 69464178), (3, 46309452), (4, 34732089), (6, 23154726), (7, 19846908), (9, 15436484), (12, 11577363), (14, 9923454), (18, 7718242), (21, 6615636), (28, 4961727), (36, 3859121), (42, 3307818), (43, 3230892), (63, 2205212), (84, 1653909), (86, 1615446), (126, 1102606), (129, 1076964), (172, 807723), (252, 551303), (258, 538482), (301, 461556), (387, 358988), (516, 269241), (602, 230778), (774, 179494), (903, 153852), (1204, 115389), (1548, 89747), (1806, 76926), (2709, 51284), (3612, 38463), (5418, 25642), (10836, 12821)]