1285747072

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1873}}^1$

素因数の和:2091

約数の個数: 64

約数和(自身を含む): 2660780160

約数和(自身を除く): 1375033088

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 173, 248, 346, 496, 692, 992, 1384, 1873, 1984, 2768, 3746, 3968, 5363, 5536, 7492, 10726, 11072, 14984, 21452, 22144, 29968, 42904, 58063, 59936, 85808, 116126, 119872, 171616, 232252, 239744, 324029, 343232, 464504, 648058, 686464, 929008, 1296116, 1858016, 2592232, 3716032, 5184464, 7432064, 10044899, 10368928, 20089798, 20737856, 40179596, 41475712, 80359192, 160718384, 321436768, 642873536, 1285747072]

約数ペア:

[(1, 1285747072), (2, 642873536), (4, 321436768), (8, 160718384), (16, 80359192), (31, 41475712), (32, 40179596), (62, 20737856), (64, 20089798), (124, 10368928), (128, 10044899), (173, 7432064), (248, 5184464), (346, 3716032), (496, 2592232), (692, 1858016), (992, 1296116), (1384, 929008), (1873, 686464), (1984, 648058), (2768, 464504), (3746, 343232), (3968, 324029), (5363, 239744), (5536, 232252), (7492, 171616), (10726, 119872), (11072, 116126), (14984, 85808), (21452, 59936), (22144, 58063), (29968, 42904)]