28554043390

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3477959}}^1$

素因数の和:3478787

約数の個数: 16

約数和(自身を含む): 51459896160

約数和(自身を除く): 22905852770

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 3477959, 6955918, 17389795, 34779590, 2855404339, 5710808678, 14277021695, 28554043390]

約数ペア:

[(1, 28554043390), (2, 14277021695), (5, 5710808678), (10, 2855404339), (821, 34779590), (1642, 17389795), (4105, 6955918), (8210, 3477959)]