128311232

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9239}}^1$

素因数の和:9289

約数の個数: 56

約数和(自身を含む): 300410880

約数和(自身を除く): 172099648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 9239, 13888, 18478, 36956, 64673, 73912, 129346, 147824, 258692, 286409, 295648, 517384, 572818, 591296, 1034768, 1145636, 2004863, 2069536, 2291272, 4009726, 4139072, 4582544, 8019452, 9165088, 16038904, 18330176, 32077808, 64155616, 128311232]

約数ペア:

[(1, 128311232), (2, 64155616), (4, 32077808), (7, 18330176), (8, 16038904), (14, 9165088), (16, 8019452), (28, 4582544), (31, 4139072), (32, 4009726), (56, 2291272), (62, 2069536), (64, 2004863), (112, 1145636), (124, 1034768), (217, 591296), (224, 572818), (248, 517384), (434, 295648), (448, 286409), (496, 258692), (868, 147824), (992, 129346), (1736, 73912), (1984, 64673), (3472, 36956), (6944, 18478), (9239, 13888)]