129852928

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2142

約数の個数: 40

約数和(自身を含む): 261626112

約数和(自身を除く): 131773184

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 1997, 2032, 3994, 4064, 7988, 8128, 15976, 16256, 31952, 32512, 63904, 65024, 127808, 253619, 255616, 507238, 511232, 1014476, 1022464, 2028952, 4057904, 8115808, 16231616, 32463232, 64926464, 129852928]

約数ペア:

[(1, 129852928), (2, 64926464), (4, 32463232), (8, 16231616), (16, 8115808), (32, 4057904), (64, 2028952), (127, 1022464), (128, 1014476), (254, 511232), (256, 507238), (508, 255616), (512, 253619), (1016, 127808), (1997, 65024), (2032, 63904), (3994, 32512), (4064, 31952), (7988, 16256), (8128, 15976)]