1917626788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{87691}}^1$

素因数の和:87784

約数の個数: 48

約数和(自身を含む): 4242889728

約数和(自身を除く): 2325262940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 87691, 175382, 350764, 613837, 964601, 1227674, 1929202, 2455348, 3858404, 6226061, 6752207, 12452122, 13504414, 24904244, 27008828, 43582427, 68486671, 87164854, 136973342, 174329708, 273946684, 479406697, 958813394, 1917626788]

約数ペア:

[(1, 1917626788), (2, 958813394), (4, 479406697), (7, 273946684), (11, 174329708), (14, 136973342), (22, 87164854), (28, 68486671), (44, 43582427), (71, 27008828), (77, 24904244), (142, 13504414), (154, 12452122), (284, 6752207), (308, 6226061), (497, 3858404), (781, 2455348), (994, 1929202), (1562, 1227674), (1988, 964601), (3124, 613837), (5467, 350764), (10934, 175382), (21868, 87691)]