209412784

素因数分解:

$2^4\times 7^1\times {\mathrm{1869757}}^1$

素因数の和:1869772

約数の個数: 20

約数和(自身を含む): 463699984

約数和(自身を除く): 254287200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1869757, 3739514, 7479028, 13088299, 14958056, 26176598, 29916112, 52353196, 104706392, 209412784]

約数ペア:

[(1, 209412784), (2, 104706392), (4, 52353196), (7, 29916112), (8, 26176598), (14, 14958056), (16, 13088299), (28, 7479028), (56, 3739514), (112, 1869757)]