261697342

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{21419}}^1$

素因数の和:21611

約数の個数: 16

約数和(自身を含む): 404838000

約数和(自身を除く): 143140658

約数列:

[1, 2, 41, 82, 149, 298, 6109, 12218, 21419, 42838, 878179, 1756358, 3191431, 6382862, 130848671, 261697342]

約数ペア:

[(1, 261697342), (2, 130848671), (41, 6382862), (82, 3191431), (149, 1756358), (298, 878179), (6109, 42838), (12218, 21419)]