561991808

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20233}}^1$

素因数の和:20285

約数の個数: 64

約数和(自身を含む): 1320875520

約数和(自身を除く): 758883712

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, 13888, 20233, 27776, 40466, 80932, 141631, 161864, 283262, 323728, 566524, 627223, 647456, 1133048, 1254446, 1294912, 2266096, 2508892, 2589824, 4390561, 4532192, 5017784, 8781122, 9064384, 10035568, 17562244, 18128768, 20071136, 35124488, 40142272, 70248976, 80284544, 140497952, 280995904, 561991808]

約数ペア:

[(1, 561991808), (2, 280995904), (4, 140497952), (7, 80284544), (8, 70248976), (14, 40142272), (16, 35124488), (28, 20071136), (31, 18128768), (32, 17562244), (56, 10035568), (62, 9064384), (64, 8781122), (112, 5017784), (124, 4532192), (128, 4390561), (217, 2589824), (224, 2508892), (248, 2266096), (434, 1294912), (448, 1254446), (496, 1133048), (868, 647456), (896, 627223), (992, 566524), (1736, 323728), (1984, 283262), (3472, 161864), (3968, 141631), (6944, 80932), (13888, 40466), (20233, 27776)]