127809904

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{9521}}^1$

素因数の和:10368

約数の個数: 20

約数和(自身を含む): 247952880

約数和(自身を除く): 120142976

約数列:

[1, 2, 4, 8, 16, 839, 1678, 3356, 6712, 9521, 13424, 19042, 38084, 76168, 152336, 7988119, 15976238, 31952476, 63904952, 127809904]

約数ペア:

[(1, 127809904), (2, 63904952), (4, 31952476), (8, 15976238), (16, 7988119), (839, 152336), (1678, 76168), (3356, 38084), (6712, 19042), (9521, 13424)]