820199242

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1\times {\mathrm{9011}}^1$

素因数の和:9725

約数の個数: 16

約数和(自身を含む): 1249712064

約数和(自身を除く): 429512822

約数列:

[1, 2, 71, 142, 641, 1282, 9011, 18022, 45511, 91022, 639781, 1279562, 5776051, 11552102, 410099621, 820199242]

約数ペア:

[(1, 820199242), (2, 410099621), (71, 11552102), (142, 5776051), (641, 1279562), (1282, 639781), (9011, 91022), (18022, 45511)]