129668608

素因数分解:

$2^9\times {\mathrm{251}}^1\times {\mathrm{1009}}^1$

素因数の和:1278

約数の個数: 40

約数和(自身を含む): 260373960

約数和(自身を除く): 130705352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 502, 512, 1004, 1009, 2008, 2018, 4016, 4036, 8032, 8072, 16064, 16144, 32128, 32288, 64256, 64576, 128512, 129152, 253259, 258304, 506518, 516608, 1013036, 2026072, 4052144, 8104288, 16208576, 32417152, 64834304, 129668608]

約数ペア:

[(1, 129668608), (2, 64834304), (4, 32417152), (8, 16208576), (16, 8104288), (32, 4052144), (64, 2026072), (128, 1013036), (251, 516608), (256, 506518), (502, 258304), (512, 253259), (1004, 129152), (1009, 128512), (2008, 64576), (2018, 64256), (4016, 32288), (4036, 32128), (8032, 16144), (8072, 16064)]