209911294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{106123}}^1$

素因数の和:106191

約数の個数: 16

約数和(自身を含む): 336200832

約数和(自身を除く): 126289538

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 106123, 212246, 2440829, 4563289, 4881658, 9126578, 104955647, 209911294]

約数ペア:

[(1, 209911294), (2, 104955647), (23, 9126578), (43, 4881658), (46, 4563289), (86, 2440829), (989, 212246), (1978, 106123)]