256051072

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 531020160

約数和(自身を除く): 274969088

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 173, 248, 346, 373, 496, 692, 746, 992, 1384, 1492, 1984, 2768, 2984, 3968, 5363, 5536, 5968, 10726, 11072, 11563, 11936, 21452, 22144, 23126, 23872, 42904, 46252, 47744, 64529, 85808, 92504, 129058, 171616, 185008, 258116, 343232, 370016, 516232, 686464, 740032, 1032464, 1480064, 2000399, 2064928, 4000798, 4129856, 8001596, 8259712, 16003192, 32006384, 64012768, 128025536, 256051072]

約数ペア:

[(1, 256051072), (2, 128025536), (4, 64012768), (8, 32006384), (16, 16003192), (31, 8259712), (32, 8001596), (62, 4129856), (64, 4000798), (124, 2064928), (128, 2000399), (173, 1480064), (248, 1032464), (346, 740032), (373, 686464), (496, 516232), (692, 370016), (746, 343232), (992, 258116), (1384, 185008), (1492, 171616), (1984, 129058), (2768, 92504), (2984, 85808), (3968, 64529), (5363, 47744), (5536, 46252), (5968, 42904), (10726, 23872), (11072, 23126), (11563, 22144), (11936, 21452)]