2780455874

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1516061}}^1$

素因数の和:1516201

約数の個数: 16

約数和(自身を含む): 4802884416

約数和(自身を除く): 2022428542

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 1516061, 3032122, 10612427, 21224854, 198603991, 397207982, 1390227937, 2780455874]

約数ペア:

[(1, 2780455874), (2, 1390227937), (7, 397207982), (14, 198603991), (131, 21224854), (262, 10612427), (917, 3032122), (1834, 1516061)]