28755888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 90065664

約数和(自身を除く): 61309776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 61, 69, 84, 92, 112, 122, 138, 161, 168, 183, 184, 244, 276, 322, 336, 366, 368, 427, 483, 488, 552, 644, 732, 854, 966, 976, 1104, 1281, 1288, 1403, 1464, 1708, 1932, 2562, 2576, 2806, 2928, 3416, 3721, 3864, 4209, 5124, 5612, 6832, 7442, 7728, 8418, 9821, 10248, 11163, 11224, 14884, 16836, 19642, 20496, 22326, 22448, 26047, 29463, 29768, 33672, 39284, 44652, 52094, 58926, 59536, 67344, 78141, 78568, 85583, 89304, 104188, 117852, 156282, 157136, 171166, 178608, 208376, 235704, 256749, 312564, 342332, 416752, 471408, 513498, 599081, 625128, 684664, 1026996, 1198162, 1250256, 1369328, 1797243, 2053992, 2396324, 3594486, 4107984, 4792648, 7188972, 9585296, 14377944, 28755888]

約数ペア:

[(1, 28755888), (2, 14377944), (3, 9585296), (4, 7188972), (6, 4792648), (7, 4107984), (8, 3594486), (12, 2396324), (14, 2053992), (16, 1797243), (21, 1369328), (23, 1250256), (24, 1198162), (28, 1026996), (42, 684664), (46, 625128), (48, 599081), (56, 513498), (61, 471408), (69, 416752), (84, 342332), (92, 312564), (112, 256749), (122, 235704), (138, 208376), (161, 178608), (168, 171166), (183, 157136), (184, 156282), (244, 117852), (276, 104188), (322, 89304), (336, 85583), (366, 78568), (368, 78141), (427, 67344), (483, 59536), (488, 58926), (552, 52094), (644, 44652), (732, 39284), (854, 33672), (966, 29768), (976, 29463), (1104, 26047), (1281, 22448), (1288, 22326), (1403, 20496), (1464, 19642), (1708, 16836), (1932, 14884), (2562, 11224), (2576, 11163), (2806, 10248), (2928, 9821), (3416, 8418), (3721, 7728), (3864, 7442), (4209, 6832), (5124, 5612)]