2800000084

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{155521}}^1$

素因数の和:156175

約数の個数: 24

約数和(自身を含む): 5608745408

約数和(自身を除く): 2808745324

約数列:

[1, 2, 4, 7, 14, 28, 643, 1286, 2572, 4501, 9002, 18004, 155521, 311042, 622084, 1088647, 2177294, 4354588, 100000003, 200000006, 400000012, 700000021, 1400000042, 2800000084]

約数ペア:

[(1, 2800000084), (2, 1400000042), (4, 700000021), (7, 400000012), (14, 200000006), (28, 100000003), (643, 4354588), (1286, 2177294), (2572, 1088647), (4501, 622084), (9002, 311042), (18004, 155521)]