219128

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 526680

約数和(自身を除く): 307552

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 49, 52, 56, 86, 91, 98, 104, 172, 182, 196, 301, 344, 364, 392, 559, 602, 637, 728, 1118, 1204, 1274, 2107, 2236, 2408, 2548, 3913, 4214, 4472, 5096, 7826, 8428, 15652, 16856, 27391, 31304, 54782, 109564, 219128]

約数ペア:

[(1, 219128), (2, 109564), (4, 54782), (7, 31304), (8, 27391), (13, 16856), (14, 15652), (26, 8428), (28, 7826), (43, 5096), (49, 4472), (52, 4214), (56, 3913), (86, 2548), (91, 2408), (98, 2236), (104, 2107), (172, 1274), (182, 1204), (196, 1118), (301, 728), (344, 637), (364, 602), (392, 559)]