31112291

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 37632000

約数和(自身を除く): 6519709

約数列:

[1, 7, 19, 133, 223, 1049, 1561, 4237, 7343, 19931, 29659, 139517, 233927, 1637489, 4444613, 31112291]

約数ペア:

[(1, 31112291), (7, 4444613), (19, 1637489), (133, 233927), (223, 139517), (1049, 29659), (1561, 19931), (4237, 7343)]