81470015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 111808512

約数和(自身を除く): 30338497

約数列:

[1, 5, 11, 31, 55, 71, 155, 341, 355, 673, 781, 1705, 2201, 3365, 3905, 7403, 11005, 20863, 24211, 37015, 47783, 104315, 121055, 229493, 238915, 525613, 1147465, 1481273, 2628065, 7406365, 16294003, 81470015]

約数ペア:

[(1, 81470015), (5, 16294003), (11, 7406365), (31, 2628065), (55, 1481273), (71, 1147465), (155, 525613), (341, 238915), (355, 229493), (673, 121055), (781, 104315), (1705, 47783), (2201, 37015), (3365, 24211), (3905, 20863), (7403, 11005)]