487707376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1854

約数の個数: 80

約数和(自身を含む): 1075486720

約数和(自身を除く): 587779344

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 496, 559, 688, 806, 1118, 1333, 1612, 1759, 2236, 2666, 3224, 3518, 4472, 5332, 6448, 7036, 8944, 10664, 14072, 17329, 21328, 22867, 28144, 34658, 45734, 54529, 69316, 75637, 91468, 109058, 138632, 151274, 182936, 218116, 277264, 302548, 365872, 436232, 605096, 708877, 872464, 983281, 1210192, 1417754, 1966562, 2344747, 2835508, 3933124, 4689494, 5671016, 7866248, 9378988, 11342032, 15732496, 18757976, 30481711, 37515952, 60963422, 121926844, 243853688, 487707376]

約数ペア:

[(1, 487707376), (2, 243853688), (4, 121926844), (8, 60963422), (13, 37515952), (16, 30481711), (26, 18757976), (31, 15732496), (43, 11342032), (52, 9378988), (62, 7866248), (86, 5671016), (104, 4689494), (124, 3933124), (172, 2835508), (208, 2344747), (248, 1966562), (344, 1417754), (403, 1210192), (496, 983281), (559, 872464), (688, 708877), (806, 605096), (1118, 436232), (1333, 365872), (1612, 302548), (1759, 277264), (2236, 218116), (2666, 182936), (3224, 151274), (3518, 138632), (4472, 109058), (5332, 91468), (6448, 75637), (7036, 69316), (8944, 54529), (10664, 45734), (14072, 34658), (17329, 28144), (21328, 22867)]