25688445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 18220035

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 655, 769, 1965, 2227, 2307, 3845, 6681, 11135, 11535, 13073, 33405, 39219, 65365, 100739, 196095, 302217, 503695, 1511085, 1712563, 5137689, 8562815, 25688445]

約数ペア:

[(1, 25688445), (3, 8562815), (5, 5137689), (15, 1712563), (17, 1511085), (51, 503695), (85, 302217), (131, 196095), (255, 100739), (393, 65365), (655, 39219), (769, 33405), (1965, 13073), (2227, 11535), (2307, 11135), (3845, 6681)]