128210816

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{18899}}^1$

素因数の和:18966

約数の個数: 32

約数和(自身を含む): 260253000

約数和(自身を除く): 132042184

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3392, 6784, 18899, 37798, 75596, 151192, 302384, 604768, 1001647, 1209536, 2003294, 2419072, 4006588, 8013176, 16026352, 32052704, 64105408, 128210816]

約数ペア:

[(1, 128210816), (2, 64105408), (4, 32052704), (8, 16026352), (16, 8013176), (32, 4006588), (53, 2419072), (64, 2003294), (106, 1209536), (128, 1001647), (212, 604768), (424, 302384), (848, 151192), (1696, 75596), (3392, 37798), (6784, 18899)]