1778408054

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{20507}}^1$

素因数の和:20971

約数の個数: 16

約数和(自身を含む): 2696227776

約数和(自身を除く): 917819722

約数列:

[1, 2, 131, 262, 331, 662, 20507, 41014, 43361, 86722, 2686417, 5372834, 6787817, 13575634, 889204027, 1778408054]

約数ペア:

[(1, 1778408054), (2, 889204027), (131, 13575634), (262, 6787817), (331, 5372834), (662, 2686417), (20507, 86722), (41014, 43361)]