2138378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 3646944

約数和(自身を除く): 1508566

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 407, 781, 814, 1369, 1562, 2627, 2738, 5254, 15059, 28897, 30118, 57794, 97199, 194398, 1069189, 2138378]

約数ペア:

[(1, 2138378), (2, 1069189), (11, 194398), (22, 97199), (37, 57794), (71, 30118), (74, 28897), (142, 15059), (407, 5254), (781, 2738), (814, 2627), (1369, 1562)]