1289778935

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{238627}}^1$

素因数の和:238702

約数の個数: 16

約数和(自身を含む): 1649396736

約数和(自身を除く): 359617801

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 238627, 1193135, 5488421, 11215469, 27442105, 56077345, 257955787, 1289778935]

約数ペア:

[(1, 1289778935), (5, 257955787), (23, 56077345), (47, 27442105), (115, 11215469), (235, 5488421), (1081, 1193135), (5405, 238627)]