66341392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318949}}^1$

素因数の和:318970

約数の個数: 20

約数和(自身を含む): 138424300

約数和(自身を除く): 72082908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318949, 637898, 1275796, 2551592, 4146337, 5103184, 8292674, 16585348, 33170696, 66341392]

約数ペア:

[(1, 66341392), (2, 33170696), (4, 16585348), (8, 8292674), (13, 5103184), (16, 4146337), (26, 2551592), (52, 1275796), (104, 637898), (208, 318949)]