28428064

素因数分解:

$2^5\times 7^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 64411200

約数和(自身を除く): 35983136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 179, 224, 358, 709, 716, 1253, 1418, 1432, 2506, 2836, 2864, 4963, 5012, 5672, 5728, 9926, 10024, 11344, 19852, 20048, 22688, 39704, 40096, 79408, 126911, 158816, 253822, 507644, 888377, 1015288, 1776754, 2030576, 3553508, 4061152, 7107016, 14214032, 28428064]

約数ペア:

[(1, 28428064), (2, 14214032), (4, 7107016), (7, 4061152), (8, 3553508), (14, 2030576), (16, 1776754), (28, 1015288), (32, 888377), (56, 507644), (112, 253822), (179, 158816), (224, 126911), (358, 79408), (709, 40096), (716, 39704), (1253, 22688), (1418, 20048), (1432, 19852), (2506, 11344), (2836, 10024), (2864, 9926), (4963, 5728), (5012, 5672)]