2678005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 3836160

約数和(自身を除く): 1158155

約数列:

[1, 5, 11, 23, 29, 55, 73, 115, 145, 253, 319, 365, 667, 803, 1265, 1595, 1679, 2117, 3335, 4015, 7337, 8395, 10585, 18469, 23287, 36685, 48691, 92345, 116435, 243455, 535601, 2678005]

約数ペア:

[(1, 2678005), (5, 535601), (11, 243455), (23, 116435), (29, 92345), (55, 48691), (73, 36685), (115, 23287), (145, 18469), (253, 10585), (319, 8395), (365, 7337), (667, 4015), (803, 3335), (1265, 2117), (1595, 1679)]