81571645

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{823}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 100501632

約数和(自身を除く): 18929987

約数列:

[1, 5, 43, 215, 461, 823, 2305, 4115, 19823, 35389, 99115, 176945, 379403, 1897015, 16314329, 81571645]

約数ペア:

[(1, 81571645), (5, 16314329), (43, 1897015), (215, 379403), (461, 176945), (823, 99115), (2305, 35389), (4115, 19823)]