219664844

素因数分解:

$2^2\times 7^2\times {\mathrm{1120739}}^1$

素因数の和:1120757

約数の個数: 18

約数和(自身を含む): 447175260

約数和(自身を除く): 227510416

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1120739, 2241478, 4482956, 7845173, 15690346, 31380692, 54916211, 109832422, 219664844]

約数ペア:

[(1, 219664844), (2, 109832422), (4, 54916211), (7, 31380692), (14, 15690346), (28, 7845173), (49, 4482956), (98, 2241478), (196, 1120739)]