638045213195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{947}}^1\times {\mathrm{25849}}^1$

素因数の和:27215

約数の個数: 32

約数和(自身を含む): 827511854400

約数和(自身を除く): 189466641205

約数列:

[1, 5, 13, 65, 401, 947, 2005, 4735, 5213, 12311, 25849, 26065, 61555, 129245, 336037, 379747, 1680185, 1898735, 4936711, 10365449, 24479003, 24683555, 51827245, 122395015, 134750837, 318227039, 673754185, 1591135195, 9816080203, 49080401015, 127609042639, 638045213195]

約数ペア:

[(1, 638045213195), (5, 127609042639), (13, 49080401015), (65, 9816080203), (401, 1591135195), (947, 673754185), (2005, 318227039), (4735, 134750837), (5213, 122395015), (12311, 51827245), (25849, 24683555), (26065, 24479003), (61555, 10365449), (129245, 4936711), (336037, 1898735), (379747, 1680185)]