72136568

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18143}}^1$

素因数の和:18227

約数の個数: 32

約数和(自身を含む): 156764160

約数和(自身を除く): 84627592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 18143, 36286, 72572, 127001, 145144, 254002, 508004, 1016008, 1288153, 2576306, 5152612, 9017071, 10305224, 18034142, 36068284, 72136568]

約数ペア:

[(1, 72136568), (2, 36068284), (4, 18034142), (7, 10305224), (8, 9017071), (14, 5152612), (28, 2576306), (56, 1288153), (71, 1016008), (142, 508004), (284, 254002), (497, 145144), (568, 127001), (994, 72572), (1988, 36286), (3976, 18143)]