28756816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 61380000

約数和(自身を除く): 32623184

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1499, 1744, 2398, 2998, 4796, 5996, 9592, 11992, 16489, 19184, 23984, 32978, 65956, 131912, 163391, 263824, 326782, 653564, 1307128, 1797301, 2614256, 3594602, 7189204, 14378408, 28756816]

約数ペア:

[(1, 28756816), (2, 14378408), (4, 7189204), (8, 3594602), (11, 2614256), (16, 1797301), (22, 1307128), (44, 653564), (88, 326782), (109, 263824), (176, 163391), (218, 131912), (436, 65956), (872, 32978), (1199, 23984), (1499, 19184), (1744, 16489), (2398, 11992), (2998, 9592), (4796, 5996)]