1981567258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{7333}}^1$

素因数の和:7590

約数の個数: 32

約数和(自身を含む): 3307692672

約数和(自身を除く): 1326125414

約数列:

[1, 2, 11, 22, 71, 142, 173, 346, 781, 1562, 1903, 3806, 7333, 12283, 14666, 24566, 80663, 135113, 161326, 270226, 520643, 1041286, 1268609, 2537218, 5727073, 11454146, 13954699, 27909398, 90071239, 180142478, 990783629, 1981567258]

約数ペア:

[(1, 1981567258), (2, 990783629), (11, 180142478), (22, 90071239), (71, 27909398), (142, 13954699), (173, 11454146), (346, 5727073), (781, 2537218), (1562, 1268609), (1903, 1041286), (3806, 520643), (7333, 270226), (12283, 161326), (14666, 135113), (24566, 80663)]