511978516

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 1081019520

約数和(自身を除く): 569041004

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 359, 371, 434, 718, 742, 868, 961, 1436, 1484, 1643, 1922, 2513, 3286, 3844, 5026, 6572, 6727, 10052, 11129, 11501, 13454, 19027, 22258, 23002, 26908, 38054, 44516, 46004, 50933, 76108, 77903, 101866, 133189, 155806, 203732, 266378, 311612, 344999, 356531, 532756, 589837, 689998, 713062, 1179674, 1379996, 1426124, 2359348, 2414993, 4128859, 4829986, 8257718, 9659972, 16515436, 18284947, 36569894, 73139788, 127994629, 255989258, 511978516]

約数ペア:

[(1, 511978516), (2, 255989258), (4, 127994629), (7, 73139788), (14, 36569894), (28, 18284947), (31, 16515436), (53, 9659972), (62, 8257718), (106, 4829986), (124, 4128859), (212, 2414993), (217, 2359348), (359, 1426124), (371, 1379996), (434, 1179674), (718, 713062), (742, 689998), (868, 589837), (961, 532756), (1436, 356531), (1484, 344999), (1643, 311612), (1922, 266378), (2513, 203732), (3286, 155806), (3844, 133189), (5026, 101866), (6572, 77903), (6727, 76108), (10052, 50933), (11129, 46004), (11501, 44516), (13454, 38054), (19027, 26908), (22258, 23002)]