1289168

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:614

約数の個数: 20

約数和(自身を含む): 2516580

約数和(自身を除く): 1227412

約数列:

[1, 2, 4, 8, 16, 197, 394, 409, 788, 818, 1576, 1636, 3152, 3272, 6544, 80573, 161146, 322292, 644584, 1289168]

約数ペア:

[(1, 1289168), (2, 644584), (4, 322292), (8, 161146), (16, 80573), (197, 6544), (394, 3272), (409, 3152), (788, 1636), (818, 1576)]