221377424

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{105619}}^1$

素因数の和:105758

約数の個数: 20

約数和(自身を含む): 432197040

約数和(自身を除く): 210819616

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 105619, 211238, 422476, 844952, 1689904, 13836089, 27672178, 55344356, 110688712, 221377424]

約数ペア:

[(1, 221377424), (2, 110688712), (4, 55344356), (8, 27672178), (16, 13836089), (131, 1689904), (262, 844952), (524, 422476), (1048, 211238), (2096, 105619)]