2005128887

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{4639}}^1$

素因数の和:4934

約数の個数: 16

約数和(自身を含む): 2109603840

約数和(自身を除く): 104474953

約数列:

[1, 31, 73, 191, 2263, 4639, 5921, 13943, 143809, 338647, 432233, 886049, 10498057, 27467519, 64681577, 2005128887]

約数ペア:

[(1, 2005128887), (31, 64681577), (73, 27467519), (191, 10498057), (2263, 886049), (4639, 432233), (5921, 338647), (13943, 143809)]