206996848

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{20183}}^1$

素因数の和:20832

約数の個数: 20

約数和(自身を含む): 401701968

約数和(自身を除く): 194705120

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 20183, 40366, 80732, 161464, 322928, 12937303, 25874606, 51749212, 103498424, 206996848]

約数ペア:

[(1, 206996848), (2, 103498424), (4, 51749212), (8, 25874606), (16, 12937303), (641, 322928), (1282, 161464), (2564, 80732), (5128, 40366), (10256, 20183)]