25921558

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1528

約数の個数: 24

約数和(自身を含む): 42927408

約数和(自身を除く): 17005850

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 689, 1378, 1447, 2894, 8957, 17914, 18811, 37622, 76691, 153382, 244543, 489086, 996983, 1993966, 12960779, 25921558]

約数ペア:

[(1, 25921558), (2, 12960779), (13, 1993966), (26, 996983), (53, 489086), (106, 244543), (169, 153382), (338, 76691), (689, 37622), (1378, 18811), (1447, 17914), (2894, 8957)]