1289861023490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9922007873}}^1$

素因数の和:9922007893

約数の個数: 16

約数和(自身を含む): 2500345984248

約数和(自身を除く): 1210484960758

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9922007873, 19844015746, 49610039365, 99220078730, 128986102349, 257972204698, 644930511745, 1289861023490]

約数ペア:

[(1, 1289861023490), (2, 644930511745), (5, 257972204698), (10, 128986102349), (13, 99220078730), (26, 49610039365), (65, 19844015746), (130, 9922007873)]