81502036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3727}}^1$

素因数の和:3820

約数の個数: 48

約数和(自身を含む): 180375552

約数和(自身を除く): 98873516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 3727, 5467, 7454, 10934, 14908, 21868, 26089, 40997, 52178, 81994, 104356, 163988, 264617, 286979, 529234, 573958, 1058468, 1147916, 1852319, 2910787, 3704638, 5821574, 7409276, 11643148, 20375509, 40751018, 81502036]

約数ペア:

[(1, 81502036), (2, 40751018), (4, 20375509), (7, 11643148), (11, 7409276), (14, 5821574), (22, 3704638), (28, 2910787), (44, 1852319), (71, 1147916), (77, 1058468), (142, 573958), (154, 529234), (284, 286979), (308, 264617), (497, 163988), (781, 104356), (994, 81994), (1562, 52178), (1988, 40997), (3124, 26089), (3727, 21868), (5467, 14908), (7454, 10934)]