2156850212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{4967}}^1$

素因数の和:5192

約数の個数: 48

約数和(自身を含む): 4206504960

約数和(自身を除く): 2049654748

約数列:

[1, 2, 4, 11, 22, 44, 71, 139, 142, 278, 284, 556, 781, 1529, 1562, 3058, 3124, 4967, 6116, 9869, 9934, 19738, 19868, 39476, 54637, 108559, 109274, 217118, 218548, 352657, 434236, 690413, 705314, 1380826, 1410628, 2761652, 3879227, 7594543, 7758454, 15189086, 15516908, 30378172, 49019323, 98038646, 196077292, 539212553, 1078425106, 2156850212]

約数ペア:

[(1, 2156850212), (2, 1078425106), (4, 539212553), (11, 196077292), (22, 98038646), (44, 49019323), (71, 30378172), (139, 15516908), (142, 15189086), (278, 7758454), (284, 7594543), (556, 3879227), (781, 2761652), (1529, 1410628), (1562, 1380826), (3058, 705314), (3124, 690413), (4967, 434236), (6116, 352657), (9869, 218548), (9934, 217118), (19738, 109274), (19868, 108559), (39476, 54637)]