205390802

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1645

約数の個数: 16

約数和(自身を含む): 310358520

約数和(自身を除く): 104967718

約数列:

[1, 2, 257, 409, 514, 818, 977, 1954, 105113, 210226, 251089, 399593, 502178, 799186, 102695401, 205390802]

約数ペア:

[(1, 205390802), (2, 102695401), (257, 799186), (409, 502178), (514, 399593), (818, 251089), (977, 210226), (1954, 105113)]