128512454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{399107}}^1$

素因数の和:399139

約数の個数: 16

約数和(自身を含む): 229886208

約数和(自身を除く): 101373754

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 399107, 798214, 2793749, 5587498, 9179461, 18358922, 64256227, 128512454]

約数ペア:

[(1, 128512454), (2, 64256227), (7, 18358922), (14, 9179461), (23, 5587498), (46, 2793749), (161, 798214), (322, 399107)]