28671928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{210823}}^1$

素因数の和:210846

約数の個数: 16

約数和(自身を含む): 56922480

約数和(自身を除く): 28250552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 210823, 421646, 843292, 1686584, 3583991, 7167982, 14335964, 28671928]

約数ペア:

[(1, 28671928), (2, 14335964), (4, 7167982), (8, 3583991), (17, 1686584), (34, 843292), (68, 421646), (136, 210823)]