201390474895

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1\times {\mathrm{804259}}^1$

素因数の和:805146

約数の個数: 16

約数和(自身を含む): 245929839840

約数和(自身を除く): 44539364945

約数列:

[1, 5, 61, 305, 821, 4105, 50081, 250405, 804259, 4021295, 49059799, 245298995, 660296639, 3301483195, 40278094979, 201390474895]

約数ペア:

[(1, 201390474895), (5, 40278094979), (61, 3301483195), (305, 660296639), (821, 245298995), (4105, 49059799), (50081, 4021295), (250405, 804259)]