128996474

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{2879}}^1$

素因数の和:3445

約数の個数: 16

約数和(自身を含む): 198443520

約数和(自身を除く): 69447046

約数列:

[1, 2, 43, 86, 521, 1042, 2879, 5758, 22403, 44806, 123797, 247594, 1499959, 2999918, 64498237, 128996474]

約数ペア:

[(1, 128996474), (2, 64498237), (43, 2999918), (86, 1499959), (521, 247594), (1042, 123797), (2879, 44806), (5758, 22403)]