28405322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 49230720

約数和(自身を除く): 20825398

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 506, 769, 803, 1538, 1606, 1679, 3358, 8459, 16918, 17687, 18469, 35374, 36938, 56137, 112274, 194557, 389114, 617507, 1235014, 1291151, 2582302, 14202661, 28405322]

約数ペア:

[(1, 28405322), (2, 14202661), (11, 2582302), (22, 1291151), (23, 1235014), (46, 617507), (73, 389114), (146, 194557), (253, 112274), (506, 56137), (769, 36938), (803, 35374), (1538, 18469), (1606, 17687), (1679, 16918), (3358, 8459)]