81940110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{390191}}^1$

素因数の和:390208

約数の個数: 32

約数和(自身を含む): 224750592

約数和(自身を除く): 142810482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 390191, 780382, 1170573, 1950955, 2341146, 2731337, 3901910, 5462674, 5852865, 8194011, 11705730, 13656685, 16388022, 27313370, 40970055, 81940110]

約数ペア:

[(1, 81940110), (2, 40970055), (3, 27313370), (5, 16388022), (6, 13656685), (7, 11705730), (10, 8194011), (14, 5852865), (15, 5462674), (21, 3901910), (30, 2731337), (35, 2341146), (42, 1950955), (70, 1170573), (105, 780382), (210, 390191)]