258520394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691231}}^1$

素因数の和:691261

約数の個数: 16

約数和(自身を含む): 447918336

約数和(自身を除く): 189397942

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 691231, 1382462, 7603541, 11750927, 15207082, 23501854, 129260197, 258520394]

約数ペア:

[(1, 258520394), (2, 129260197), (11, 23501854), (17, 15207082), (22, 11750927), (34, 7603541), (187, 1382462), (374, 691231)]