157872016

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{38393}}^1$

素因数の和:38658

約数の個数: 20

約数和(自身を含む): 307075212

約数和(自身を除く): 149203196

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 38393, 76786, 153572, 307144, 614288, 9867001, 19734002, 39468004, 78936008, 157872016]

約数ペア:

[(1, 157872016), (2, 78936008), (4, 39468004), (8, 19734002), (16, 9867001), (257, 614288), (514, 307144), (1028, 153572), (2056, 76786), (4112, 38393)]