219640888

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{209581}}^1$

素因数の和:209718

約数の個数: 16

約数和(自身を含む): 414972360

約数和(自身を除く): 195331472

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 209581, 419162, 838324, 1676648, 27455111, 54910222, 109820444, 219640888]

約数ペア:

[(1, 219640888), (2, 109820444), (4, 54910222), (8, 27455111), (131, 1676648), (262, 838324), (524, 419162), (1048, 209581)]