28620384

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 91445760

約数和(自身を除く): 62825376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 32, 34, 38, 39, 48, 51, 52, 57, 68, 71, 76, 78, 96, 102, 104, 114, 136, 142, 152, 156, 204, 208, 213, 221, 228, 247, 272, 284, 304, 312, 323, 408, 416, 426, 442, 456, 494, 544, 568, 608, 624, 646, 663, 741, 816, 852, 884, 912, 923, 969, 988, 1136, 1207, 1248, 1292, 1326, 1349, 1482, 1632, 1704, 1768, 1824, 1846, 1938, 1976, 2272, 2414, 2584, 2652, 2698, 2769, 2964, 3408, 3536, 3621, 3692, 3876, 3952, 4047, 4199, 4828, 5168, 5304, 5396, 5538, 5928, 6816, 7072, 7242, 7384, 7752, 7904, 8094, 8398, 9656, 10336, 10608, 10792, 11076, 11856, 12597, 14484, 14768, 15504, 15691, 16188, 16796, 17537, 19312, 21216, 21584, 22152, 22933, 23712, 25194, 28968, 29536, 31008, 31382, 32376, 33592, 35074, 38624, 43168, 44304, 45866, 47073, 50388, 52611, 57936, 62764, 64752, 67184, 68799, 70148, 88608, 91732, 94146, 100776, 105222, 115872, 125528, 129504, 134368, 137598, 140296, 183464, 188292, 201552, 210444, 251056, 275196, 280592, 298129, 366928, 376584, 403104, 420888, 502112, 550392, 561184, 596258, 733856, 753168, 841776, 894387, 1100784, 1192516, 1506336, 1683552, 1788774, 2201568, 2385032, 3577548, 4770064, 7155096, 9540128, 14310192, 28620384]

約数ペア:

[(1, 28620384), (2, 14310192), (3, 9540128), (4, 7155096), (6, 4770064), (8, 3577548), (12, 2385032), (13, 2201568), (16, 1788774), (17, 1683552), (19, 1506336), (24, 1192516), (26, 1100784), (32, 894387), (34, 841776), (38, 753168), (39, 733856), (48, 596258), (51, 561184), (52, 550392), (57, 502112), (68, 420888), (71, 403104), (76, 376584), (78, 366928), (96, 298129), (102, 280592), (104, 275196), (114, 251056), (136, 210444), (142, 201552), (152, 188292), (156, 183464), (204, 140296), (208, 137598), (213, 134368), (221, 129504), (228, 125528), (247, 115872), (272, 105222), (284, 100776), (304, 94146), (312, 91732), (323, 88608), (408, 70148), (416, 68799), (426, 67184), (442, 64752), (456, 62764), (494, 57936), (544, 52611), (568, 50388), (608, 47073), (624, 45866), (646, 44304), (663, 43168), (741, 38624), (816, 35074), (852, 33592), (884, 32376), (912, 31382), (923, 31008), (969, 29536), (988, 28968), (1136, 25194), (1207, 23712), (1248, 22933), (1292, 22152), (1326, 21584), (1349, 21216), (1482, 19312), (1632, 17537), (1704, 16796), (1768, 16188), (1824, 15691), (1846, 15504), (1938, 14768), (1976, 14484), (2272, 12597), (2414, 11856), (2584, 11076), (2652, 10792), (2698, 10608), (2769, 10336), (2964, 9656), (3408, 8398), (3536, 8094), (3621, 7904), (3692, 7752), (3876, 7384), (3952, 7242), (4047, 7072), (4199, 6816), (4828, 5928), (5168, 5538), (5304, 5396)]