81795808

素因数分解:

$2^5\times {\mathrm{389}}^1\times {\mathrm{6571}}^1$

素因数の和:6970

約数の個数: 24

約数和(自身を含む): 161474040

約数和(自身を除く): 79678232

約数列:

[1, 2, 4, 8, 16, 32, 389, 778, 1556, 3112, 6224, 6571, 12448, 13142, 26284, 52568, 105136, 210272, 2556119, 5112238, 10224476, 20448952, 40897904, 81795808]

約数ペア:

[(1, 81795808), (2, 40897904), (4, 20448952), (8, 10224476), (16, 5112238), (32, 2556119), (389, 210272), (778, 105136), (1556, 52568), (3112, 26284), (6224, 13142), (6571, 12448)]