25438874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{7789}}^1$

素因数の和:7885

約数の個数: 16

約数和(自身を含む): 40383360

約数和(自身を除く): 14944486

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 7789, 15578, 179147, 358294, 553019, 1106038, 12719437, 25438874]

約数ペア:

[(1, 25438874), (2, 12719437), (23, 1106038), (46, 553019), (71, 358294), (142, 179147), (1633, 15578), (3266, 7789)]