28409884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 51233616

約数和(自身を除く): 22823732

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 821, 844, 1642, 3284, 8651, 17302, 33661, 34604, 67322, 134644, 173231, 346462, 692924, 7102471, 14204942, 28409884]

約数ペア:

[(1, 28409884), (2, 14204942), (4, 7102471), (41, 692924), (82, 346462), (164, 173231), (211, 134644), (422, 67322), (821, 34604), (844, 33661), (1642, 17302), (3284, 8651)]