28752728

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 26405032

約数列:

[1, 2, 4, 8, 71, 142, 223, 227, 284, 446, 454, 568, 892, 908, 1784, 1816, 15833, 16117, 31666, 32234, 50621, 63332, 64468, 101242, 126664, 128936, 202484, 404968, 3594091, 7188182, 14376364, 28752728]

約数ペア:

[(1, 28752728), (2, 14376364), (4, 7188182), (8, 3594091), (71, 404968), (142, 202484), (223, 128936), (227, 126664), (284, 101242), (446, 64468), (454, 63332), (568, 50621), (892, 32234), (908, 31666), (1784, 16117), (1816, 15833)]