1639873610

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{199741}}^1$

素因数の和:200569

約数の個数: 16

約数和(自身を含む): 2955382632

約数和(自身を除く): 1315509022

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 199741, 399482, 998705, 1997410, 163987361, 327974722, 819936805, 1639873610]

約数ペア:

[(1, 1639873610), (2, 819936805), (5, 327974722), (10, 163987361), (821, 1997410), (1642, 998705), (4105, 399482), (8210, 199741)]