2191486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 3856896

約数和(自身を除く): 1665410

約数列:

[1, 2, 11, 22, 23, 46, 61, 71, 122, 142, 253, 506, 671, 781, 1342, 1403, 1562, 1633, 2806, 3266, 4331, 8662, 15433, 17963, 30866, 35926, 47641, 95282, 99613, 199226, 1095743, 2191486]

約数ペア:

[(1, 2191486), (2, 1095743), (11, 199226), (22, 99613), (23, 95282), (46, 47641), (61, 35926), (71, 30866), (122, 17963), (142, 15433), (253, 8662), (506, 4331), (671, 3266), (781, 2806), (1342, 1633), (1403, 1562)]