408067247

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{136523}}^1$

素因数の和:136598

約数の個数: 12

約数和(自身を含む): 482475816

約数和(自身を除く): 74408569

約数列:

[1, 7, 49, 61, 427, 2989, 136523, 955661, 6689627, 8327903, 58295321, 408067247]

約数ペア:

[(1, 408067247), (7, 58295321), (49, 8327903), (61, 6689627), (427, 955661), (2989, 136523)]