263748992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5171

約数の個数: 64

約数和(自身を含む): 584223360

約数和(自身を除く): 320474368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 5113, 6448, 10226, 12896, 20452, 25792, 40904, 51584, 66469, 81808, 132938, 158503, 163616, 265876, 317006, 327232, 531752, 634012, 654464, 1063504, 1268024, 2060539, 2127008, 2536048, 4121078, 4254016, 5072096, 8242156, 8508032, 10144192, 16484312, 20288384, 32968624, 65937248, 131874496, 263748992]

約数ペア:

[(1, 263748992), (2, 131874496), (4, 65937248), (8, 32968624), (13, 20288384), (16, 16484312), (26, 10144192), (31, 8508032), (32, 8242156), (52, 5072096), (62, 4254016), (64, 4121078), (104, 2536048), (124, 2127008), (128, 2060539), (208, 1268024), (248, 1063504), (403, 654464), (416, 634012), (496, 531752), (806, 327232), (832, 317006), (992, 265876), (1612, 163616), (1664, 158503), (1984, 132938), (3224, 81808), (3968, 66469), (5113, 51584), (6448, 40904), (10226, 25792), (12896, 20452)]