42857928

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 120806400

約数和(自身を除く): 77948472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 109, 127, 129, 172, 218, 254, 258, 327, 344, 381, 387, 436, 508, 516, 654, 762, 774, 872, 981, 1016, 1032, 1143, 1308, 1524, 1548, 1962, 2286, 2616, 3048, 3096, 3924, 4572, 4687, 5461, 7848, 9144, 9374, 10922, 13843, 14061, 16383, 18748, 21844, 27686, 28122, 32766, 37496, 41529, 42183, 43688, 49149, 55372, 56244, 65532, 83058, 84366, 98298, 110744, 112488, 124587, 131064, 166116, 168732, 196596, 249174, 332232, 337464, 393192, 498348, 595249, 996696, 1190498, 1785747, 2380996, 3571494, 4761992, 5357241, 7142988, 10714482, 14285976, 21428964, 42857928]

約数ペア:

[(1, 42857928), (2, 21428964), (3, 14285976), (4, 10714482), (6, 7142988), (8, 5357241), (9, 4761992), (12, 3571494), (18, 2380996), (24, 1785747), (36, 1190498), (43, 996696), (72, 595249), (86, 498348), (109, 393192), (127, 337464), (129, 332232), (172, 249174), (218, 196596), (254, 168732), (258, 166116), (327, 131064), (344, 124587), (381, 112488), (387, 110744), (436, 98298), (508, 84366), (516, 83058), (654, 65532), (762, 56244), (774, 55372), (872, 49149), (981, 43688), (1016, 42183), (1032, 41529), (1143, 37496), (1308, 32766), (1524, 28122), (1548, 27686), (1962, 21844), (2286, 18748), (2616, 16383), (3048, 14061), (3096, 13843), (3924, 10922), (4572, 9374), (4687, 9144), (5461, 7848)]