25781002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{353}}^1$

素因数の和:474

約数の個数: 24

約数和(自身を含む): 42567084

約数和(自身を除く): 16786082

約数列:

[1, 2, 13, 26, 53, 106, 353, 689, 706, 1378, 2809, 4589, 5618, 9178, 18709, 36517, 37418, 73034, 243217, 486434, 991577, 1983154, 12890501, 25781002]

約数ペア:

[(1, 25781002), (2, 12890501), (13, 1983154), (26, 991577), (53, 486434), (106, 243217), (353, 73034), (689, 37418), (706, 36517), (1378, 18709), (2809, 9178), (4589, 5618)]