79770128

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{12433}}^1$

素因数の和:12842

約数の個数: 20

約数和(自身を含む): 154952508

約数和(自身を除く): 75182380

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 12433, 24866, 49732, 99464, 198928, 4985633, 9971266, 19942532, 39885064, 79770128]

約数ペア:

[(1, 79770128), (2, 39885064), (4, 19942532), (8, 9971266), (16, 4985633), (401, 198928), (802, 99464), (1604, 49732), (3208, 24866), (6416, 12433)]