209341406

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{3109}}^1$

素因数の和:3499

約数の個数: 16

約数和(自身を含む): 317742480

約数和(自身を除く): 108401074

約数列:

[1, 2, 131, 257, 262, 514, 3109, 6218, 33667, 67334, 407279, 799013, 814558, 1598026, 104670703, 209341406]

約数ペア:

[(1, 209341406), (2, 104670703), (131, 1598026), (257, 814558), (262, 799013), (514, 407279), (3109, 67334), (6218, 33667)]