28720048

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1721}}^1$

素因数の和:1885

約数の個数: 40

約数和(自身を含む): 64058400

約数和(自身を除く): 35338352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 1721, 2086, 2384, 3442, 4172, 6884, 8344, 12047, 13768, 16688, 24094, 27536, 48188, 96376, 192752, 256429, 512858, 1025716, 1795003, 2051432, 3590006, 4102864, 7180012, 14360024, 28720048]

約数ペア:

[(1, 28720048), (2, 14360024), (4, 7180012), (7, 4102864), (8, 3590006), (14, 2051432), (16, 1795003), (28, 1025716), (56, 512858), (112, 256429), (149, 192752), (298, 96376), (596, 48188), (1043, 27536), (1192, 24094), (1721, 16688), (2086, 13768), (2384, 12047), (3442, 8344), (4172, 6884)]