208545376

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1021}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 443490768

約数和(自身を除く): 234945392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 491, 982, 1021, 1964, 2042, 3928, 4084, 6383, 7856, 8168, 12766, 13273, 15712, 16336, 25532, 26546, 32672, 51064, 53092, 102128, 106184, 204256, 212368, 424736, 501311, 1002622, 2005244, 4010488, 6517043, 8020976, 13034086, 16041952, 26068172, 52136344, 104272688, 208545376]

約数ペア:

[(1, 208545376), (2, 104272688), (4, 52136344), (8, 26068172), (13, 16041952), (16, 13034086), (26, 8020976), (32, 6517043), (52, 4010488), (104, 2005244), (208, 1002622), (416, 501311), (491, 424736), (982, 212368), (1021, 204256), (1964, 106184), (2042, 102128), (3928, 53092), (4084, 51064), (6383, 32672), (7856, 26546), (8168, 25532), (12766, 16336), (13273, 15712)]