289787008

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10433}}^1$

素因数の和:10485

約数の個数: 64

約数和(自身を含む): 681131520

約数和(自身を除く): 391344512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 10433, 13888, 20866, 27776, 41732, 73031, 83464, 146062, 166928, 292124, 323423, 333856, 584248, 646846, 667712, 1168496, 1293692, 1335424, 2263961, 2336992, 2587384, 4527922, 4673984, 5174768, 9055844, 9347968, 10349536, 18111688, 20699072, 36223376, 41398144, 72446752, 144893504, 289787008]

約数ペア:

[(1, 289787008), (2, 144893504), (4, 72446752), (7, 41398144), (8, 36223376), (14, 20699072), (16, 18111688), (28, 10349536), (31, 9347968), (32, 9055844), (56, 5174768), (62, 4673984), (64, 4527922), (112, 2587384), (124, 2336992), (128, 2263961), (217, 1335424), (224, 1293692), (248, 1168496), (434, 667712), (448, 646846), (496, 584248), (868, 333856), (896, 323423), (992, 292124), (1736, 166928), (1984, 146062), (3472, 83464), (3968, 73031), (6944, 41732), (10433, 27776), (13888, 20866)]