67838890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^2\times {\mathrm{103}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 142376832

約数和(自身を除く): 74537942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 103, 194, 206, 485, 515, 679, 721, 970, 1030, 1358, 1442, 3395, 3605, 6790, 7210, 9409, 9991, 18818, 19982, 47045, 49955, 65863, 69937, 94090, 99910, 131726, 139874, 329315, 349685, 658630, 699370, 969127, 1938254, 4845635, 6783889, 9691270, 13567778, 33919445, 67838890]

約数ペア:

[(1, 67838890), (2, 33919445), (5, 13567778), (7, 9691270), (10, 6783889), (14, 4845635), (35, 1938254), (70, 969127), (97, 699370), (103, 658630), (194, 349685), (206, 329315), (485, 139874), (515, 131726), (679, 99910), (721, 94090), (970, 69937), (1030, 65863), (1358, 49955), (1442, 47045), (3395, 19982), (3605, 18818), (6790, 9991), (7210, 9409)]