27980035

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 6312125

約数列:

[1, 5, 71, 269, 293, 355, 1345, 1465, 19099, 20803, 78817, 95495, 104015, 394085, 5596007, 27980035]

約数ペア:

[(1, 27980035), (5, 5596007), (71, 394085), (269, 104015), (293, 95495), (355, 78817), (1345, 20803), (1465, 19099)]