210657904

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{32191}}^1$

素因数の和:32608

約数の個数: 20

約数和(自身を含む): 409160320

約数和(自身を除く): 198502416

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 32191, 64382, 128764, 257528, 515056, 13166119, 26332238, 52664476, 105328952, 210657904]

約数ペア:

[(1, 210657904), (2, 105328952), (4, 52664476), (8, 26332238), (16, 13166119), (409, 515056), (818, 257528), (1636, 128764), (3272, 64382), (6544, 32191)]