256898292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:921

約数の個数: 96

約数和(自身を含む): 709927680

約数和(自身を除く): 453029388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 97, 123, 164, 194, 246, 287, 291, 388, 492, 574, 582, 679, 769, 861, 1148, 1164, 1358, 1538, 1722, 2037, 2307, 2716, 3076, 3444, 3977, 4074, 4614, 5383, 7954, 8148, 9228, 10766, 11931, 15908, 16149, 21532, 23862, 27839, 31529, 32298, 47724, 55678, 63058, 64596, 74593, 83517, 94587, 111356, 126116, 149186, 167034, 189174, 220703, 223779, 298372, 334068, 378348, 441406, 447558, 522151, 662109, 882812, 895116, 1044302, 1324218, 1566453, 2088604, 2648436, 3058313, 3132906, 6116626, 6265812, 9174939, 12233252, 18349878, 21408191, 36699756, 42816382, 64224573, 85632764, 128449146, 256898292]

約数ペア:

[(1, 256898292), (2, 128449146), (3, 85632764), (4, 64224573), (6, 42816382), (7, 36699756), (12, 21408191), (14, 18349878), (21, 12233252), (28, 9174939), (41, 6265812), (42, 6116626), (82, 3132906), (84, 3058313), (97, 2648436), (123, 2088604), (164, 1566453), (194, 1324218), (246, 1044302), (287, 895116), (291, 882812), (388, 662109), (492, 522151), (574, 447558), (582, 441406), (679, 378348), (769, 334068), (861, 298372), (1148, 223779), (1164, 220703), (1358, 189174), (1538, 167034), (1722, 149186), (2037, 126116), (2307, 111356), (2716, 94587), (3076, 83517), (3444, 74593), (3977, 64596), (4074, 63058), (4614, 55678), (5383, 47724), (7954, 32298), (8148, 31529), (9228, 27839), (10766, 23862), (11931, 21532), (15908, 16149)]