64991488

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2142

約数の個数: 36

約数和(自身を含む): 130816000

約数和(自身を除く): 65824512

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 1999, 2032, 3998, 4064, 7996, 8128, 15992, 16256, 31984, 32512, 63968, 127936, 253873, 255872, 507746, 511744, 1015492, 2030984, 4061968, 8123936, 16247872, 32495744, 64991488]

約数ペア:

[(1, 64991488), (2, 32495744), (4, 16247872), (8, 8123936), (16, 4061968), (32, 2030984), (64, 1015492), (127, 511744), (128, 507746), (254, 255872), (256, 253873), (508, 127936), (1016, 63968), (1999, 32512), (2032, 31984), (3998, 16256), (4064, 15992), (7996, 8128)]