686327038

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{210143}}^1$

素因数の和:210239

約数の個数: 16

約数和(自身を含む): 1089386496

約数和(自身を除く): 403059458

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 210143, 420286, 4833289, 9666578, 14920153, 29840306, 343163519, 686327038]

約数ペア:

[(1, 686327038), (2, 343163519), (23, 29840306), (46, 14920153), (71, 9666578), (142, 4833289), (1633, 420286), (3266, 210143)]