28409216

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{20177}}^1$

素因数の和:20202

約数の個数: 32

約数和(自身を含む): 61744680

約数和(自身を除く): 33335464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 20177, 40354, 80708, 161416, 221947, 322832, 443894, 645664, 887788, 1291328, 1775576, 2582656, 3551152, 7102304, 14204608, 28409216]

約数ペア:

[(1, 28409216), (2, 14204608), (4, 7102304), (8, 3551152), (11, 2582656), (16, 1775576), (22, 1291328), (32, 887788), (44, 645664), (64, 443894), (88, 322832), (128, 221947), (176, 161416), (352, 80708), (704, 40354), (1408, 20177)]