212819981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 235435200

約数和(自身を除く): 22615219

約数列:

[1, 11, 139, 181, 769, 1529, 1991, 8459, 25159, 106891, 139189, 276749, 1175801, 1531079, 19347271, 212819981]

約数ペア:

[(1, 212819981), (11, 19347271), (139, 1531079), (181, 1175801), (769, 276749), (1529, 139189), (1991, 106891), (8459, 25159)]