397968342

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{989971}}^1$

素因数の和:990043

約数の個数: 16

約数和(自身を含む): 807817152

約数和(自身を除く): 409848810

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 989971, 1979942, 2969913, 5939826, 66328057, 132656114, 198984171, 397968342]

約数ペア:

[(1, 397968342), (2, 198984171), (3, 132656114), (6, 66328057), (67, 5939826), (134, 2969913), (201, 1979942), (402, 989971)]