28871108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54269}}^1$

素因数の和:54299

約数の個数: 24

約数和(自身を含む): 60782400

約数和(自身を除く): 31911292

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 54269, 108538, 217076, 379883, 759766, 1031111, 1519532, 2062222, 4124444, 7217777, 14435554, 28871108]

約数ペア:

[(1, 28871108), (2, 14435554), (4, 7217777), (7, 4124444), (14, 2062222), (19, 1519532), (28, 1031111), (38, 759766), (76, 379883), (133, 217076), (266, 108538), (532, 54269)]