81771298

素因数分解:

$2^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{2237}}^1$

素因数の和:2626

約数の個数: 24

約数和(自身を含む): 143129052

約数和(自身を除く): 61357754

約数列:

[1, 2, 7, 14, 49, 98, 373, 746, 2237, 2611, 4474, 5222, 15659, 18277, 31318, 36554, 109613, 219226, 834401, 1668802, 5840807, 11681614, 40885649, 81771298]

約数ペア:

[(1, 81771298), (2, 40885649), (7, 11681614), (14, 5840807), (49, 1668802), (98, 834401), (373, 219226), (746, 109613), (2237, 36554), (2611, 31318), (4474, 18277), (5222, 15659)]