209825278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{79903}}^1$

素因数の和:80019

約数の個数: 16

約数和(自身を含む): 342308736

約数和(自身を除く): 132483458

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 79903, 159806, 1038739, 2077478, 8070203, 16140406, 104912639, 209825278]

約数ペア:

[(1, 209825278), (2, 104912639), (13, 16140406), (26, 8070203), (101, 2077478), (202, 1038739), (1313, 159806), (2626, 79903)]