25550187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 12769941

約数列:

[1, 3, 13, 39, 47, 53, 141, 159, 263, 611, 689, 789, 1833, 2067, 2491, 3419, 7473, 10257, 12361, 13939, 32383, 37083, 41817, 97149, 160693, 181207, 482079, 543621, 655133, 1965399, 8516729, 25550187]

約数ペア:

[(1, 25550187), (3, 8516729), (13, 1965399), (39, 655133), (47, 543621), (53, 482079), (141, 181207), (159, 160693), (263, 97149), (611, 41817), (689, 37083), (789, 32383), (1833, 13939), (2067, 12361), (2491, 10257), (3419, 7473)]