256237568

素因数分解:

$2^{13}\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1066

約数の個数: 56

約数和(自身を含む): 529498560

約数和(自身を除く): 273260992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1009, 1024, 1984, 2018, 2048, 3968, 4036, 4096, 7936, 8072, 8192, 15872, 16144, 31279, 31744, 32288, 62558, 63488, 64576, 125116, 126976, 129152, 250232, 253952, 258304, 500464, 516608, 1000928, 1033216, 2001856, 2066432, 4003712, 4132864, 8007424, 8265728, 16014848, 32029696, 64059392, 128118784, 256237568]

約数ペア:

[(1, 256237568), (2, 128118784), (4, 64059392), (8, 32029696), (16, 16014848), (31, 8265728), (32, 8007424), (62, 4132864), (64, 4003712), (124, 2066432), (128, 2001856), (248, 1033216), (256, 1000928), (496, 516608), (512, 500464), (992, 258304), (1009, 253952), (1024, 250232), (1984, 129152), (2018, 126976), (2048, 125116), (3968, 64576), (4036, 63488), (4096, 62558), (7936, 32288), (8072, 31744), (8192, 31279), (15872, 16144)]