851056

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 20

約数和(自身を含む): 1688632

約数和(自身を除く): 837576

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1237, 2474, 4948, 9896, 19792, 53191, 106382, 212764, 425528, 851056]

約数ペア:

[(1, 851056), (2, 425528), (4, 212764), (8, 106382), (16, 53191), (43, 19792), (86, 9896), (172, 4948), (344, 2474), (688, 1237)]