2801357587

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{19927}}^1$

素因数の和:20111

約数の個数: 24

約数和(自身を含む): 3453123840

約数和(自身を除く): 651766253

約数列:

[1, 7, 19, 49, 133, 151, 931, 1057, 2869, 7399, 19927, 20083, 139489, 140581, 378613, 976423, 2650291, 3008977, 18552037, 21062839, 57170563, 147439873, 400193941, 2801357587]

約数ペア:

[(1, 2801357587), (7, 400193941), (19, 147439873), (49, 57170563), (133, 21062839), (151, 18552037), (931, 3008977), (1057, 2650291), (2869, 976423), (7399, 378613), (19927, 140581), (20083, 139489)]