64561978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{10939}}^1$

素因数の和:11181

約数の個数: 16

約数和(自身を含む): 104761440

約数和(自身を除く): 40199462

約数列:

[1, 2, 13, 26, 227, 454, 2951, 5902, 10939, 21878, 142207, 284414, 2483153, 4966306, 32280989, 64561978]

約数ペア:

[(1, 64561978), (2, 32280989), (13, 4966306), (26, 2483153), (227, 284414), (454, 142207), (2951, 21878), (5902, 10939)]