990193568

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1635

約数の個数: 144

約数和(自身を含む): 2522548224

約数和(自身を除く): 1532354656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 224, 248, 364, 392, 403, 416, 434, 496, 637, 728, 784, 806, 868, 992, 1274, 1456, 1519, 1567, 1568, 1612, 1736, 2548, 2821, 2912, 3038, 3134, 3224, 3472, 5096, 5642, 6076, 6268, 6448, 6944, 10192, 10969, 11284, 12152, 12536, 12896, 19747, 20371, 20384, 21938, 22568, 24304, 25072, 39494, 40742, 43876, 45136, 48577, 48608, 50144, 76783, 78988, 81484, 87752, 90272, 97154, 142597, 153566, 157976, 162968, 175504, 194308, 285194, 307132, 315952, 325936, 340039, 351008, 388616, 570388, 614264, 631501, 631904, 651872, 680078, 777232, 998179, 1140776, 1228528, 1263002, 1360156, 1554464, 1996358, 2281552, 2380273, 2457056, 2526004, 2720312, 3992716, 4420507, 4563104, 4760546, 5052008, 5440624, 7985432, 8841014, 9521092, 10104016, 10881248, 15970864, 17682028, 19042184, 20208032, 30943549, 31941728, 35364056, 38084368, 61887098, 70728112, 76168736, 123774196, 141456224, 247548392, 495096784, 990193568]

約数ペア:

[(1, 990193568), (2, 495096784), (4, 247548392), (7, 141456224), (8, 123774196), (13, 76168736), (14, 70728112), (16, 61887098), (26, 38084368), (28, 35364056), (31, 31941728), (32, 30943549), (49, 20208032), (52, 19042184), (56, 17682028), (62, 15970864), (91, 10881248), (98, 10104016), (104, 9521092), (112, 8841014), (124, 7985432), (182, 5440624), (196, 5052008), (208, 4760546), (217, 4563104), (224, 4420507), (248, 3992716), (364, 2720312), (392, 2526004), (403, 2457056), (416, 2380273), (434, 2281552), (496, 1996358), (637, 1554464), (728, 1360156), (784, 1263002), (806, 1228528), (868, 1140776), (992, 998179), (1274, 777232), (1456, 680078), (1519, 651872), (1567, 631904), (1568, 631501), (1612, 614264), (1736, 570388), (2548, 388616), (2821, 351008), (2912, 340039), (3038, 325936), (3134, 315952), (3224, 307132), (3472, 285194), (5096, 194308), (5642, 175504), (6076, 162968), (6268, 157976), (6448, 153566), (6944, 142597), (10192, 97154), (10969, 90272), (11284, 87752), (12152, 81484), (12536, 78988), (12896, 76783), (19747, 50144), (20371, 48608), (20384, 48577), (21938, 45136), (22568, 43876), (24304, 40742), (25072, 39494)]