25971166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 43763328

約数和(自身を除く): 17792162

約数列:

[1, 2, 13, 26, 47, 53, 94, 106, 401, 611, 689, 802, 1222, 1378, 2491, 4982, 5213, 10426, 18847, 21253, 32383, 37694, 42506, 64766, 245011, 276289, 490022, 552578, 998891, 1997782, 12985583, 25971166]

約数ペア:

[(1, 25971166), (2, 12985583), (13, 1997782), (26, 998891), (47, 552578), (53, 490022), (94, 276289), (106, 245011), (401, 64766), (611, 42506), (689, 37694), (802, 32383), (1222, 21253), (1378, 18847), (2491, 10426), (4982, 5213)]