2538978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 5603136

約数和(自身を除く): 3064158

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 757, 1118, 1514, 1677, 2271, 3354, 4542, 9841, 19682, 29523, 32551, 59046, 65102, 97653, 195306, 423163, 846326, 1269489, 2538978]

約数ペア:

[(1, 2538978), (2, 1269489), (3, 846326), (6, 423163), (13, 195306), (26, 97653), (39, 65102), (43, 59046), (78, 32551), (86, 29523), (129, 19682), (258, 9841), (559, 4542), (757, 3354), (1118, 2271), (1514, 1677)]