218589839

素因数分解:

${\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{3001}}^1$

素因数の和:3458

約数の個数: 12

約数和(自身を含む): 237326112

約数和(自身を除く): 18736273

約数列:

[1, 13, 169, 431, 3001, 5603, 39013, 72839, 507169, 1293431, 16814603, 218589839]

約数ペア:

[(1, 218589839), (13, 16814603), (169, 1293431), (431, 507169), (3001, 72839), (5603, 39013)]