219966946

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{3863}}^1$

素因数の和:4337

約数の個数: 16

約数和(自身を含む): 335518848

約数和(自身を除く): 115551902

約数列:

[1, 2, 71, 142, 401, 802, 3863, 7726, 28471, 56942, 274273, 548546, 1549063, 3098126, 109983473, 219966946]

約数ペア:

[(1, 219966946), (2, 109983473), (71, 3098126), (142, 1549063), (401, 548546), (802, 274273), (3863, 56942), (7726, 28471)]