207921076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{429589}}^1$

素因数の和:429615

約数の個数: 18

約数和(自身を含む): 399948290

約数和(自身を除く): 192027214

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 429589, 859178, 1718356, 4725479, 9450958, 18901916, 51980269, 103960538, 207921076]

約数ペア:

[(1, 207921076), (2, 103960538), (4, 51980269), (11, 18901916), (22, 9450958), (44, 4725479), (121, 1718356), (242, 859178), (484, 429589)]