438058

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 16

約数和(自身を含む): 699840

約数和(自身を除く): 261782

約数列:

[1, 2, 23, 46, 89, 107, 178, 214, 2047, 2461, 4094, 4922, 9523, 19046, 219029, 438058]

約数ペア:

[(1, 438058), (2, 219029), (23, 19046), (46, 9523), (89, 4922), (107, 4094), (178, 2461), (214, 2047)]