77891984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{211663}}^1$

素因数の和:211694

約数の個数: 20

約数和(自身を含む): 157478016

約数和(自身を除く): 79586032

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 211663, 423326, 846652, 1693304, 3386608, 4868249, 9736498, 19472996, 38945992, 77891984]

約数ペア:

[(1, 77891984), (2, 38945992), (4, 19472996), (8, 9736498), (16, 4868249), (23, 3386608), (46, 1693304), (92, 846652), (184, 423326), (368, 211663)]