207820262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{19543}}^1$

素因数の和:19967

約数の個数: 16

約数和(自身を含む): 336547680

約数和(自身を除く): 128727418

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 19543, 39086, 254059, 508118, 7993087, 15986174, 103910131, 207820262]

約数ペア:

[(1, 207820262), (2, 103910131), (13, 15986174), (26, 7993087), (409, 508118), (818, 254059), (5317, 39086), (10634, 19543)]