31279192

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7867}}^1$

素因数の和:7951

約数の個数: 32

約数和(自身を含む): 67979520

約数和(自身を除く): 36700328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 7867, 15734, 31468, 55069, 62936, 110138, 220276, 440552, 558557, 1117114, 2234228, 3909899, 4468456, 7819798, 15639596, 31279192]

約数ペア:

[(1, 31279192), (2, 15639596), (4, 7819798), (7, 4468456), (8, 3909899), (14, 2234228), (28, 1117114), (56, 558557), (71, 440552), (142, 220276), (284, 110138), (497, 62936), (568, 55069), (994, 31468), (1988, 15734), (3976, 7867)]