263947321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{12491}}^1$

素因数の和:12632

約数の個数: 16

約数和(自身を含む): 307603008

約数和(自身を除く): 43655687

約数列:

[1, 11, 17, 113, 187, 1243, 1921, 12491, 21131, 137401, 212347, 1411483, 2335817, 15526313, 23995211, 263947321]

約数ペア:

[(1, 263947321), (11, 23995211), (17, 15526313), (113, 2335817), (187, 1411483), (1243, 212347), (1921, 137401), (12491, 21131)]