28301078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 49401216

約数和(自身を除く): 21100138

約数列:

[1, 2, 13, 26, 31, 37, 62, 73, 74, 146, 169, 338, 403, 481, 806, 949, 962, 1147, 1898, 2263, 2294, 2701, 4526, 5239, 5402, 6253, 10478, 12337, 12506, 14911, 24674, 29419, 29822, 35113, 58838, 70226, 83731, 167462, 193843, 382447, 387686, 456469, 764894, 912938, 1088503, 2177006, 14150539, 28301078]

約数ペア:

[(1, 28301078), (2, 14150539), (13, 2177006), (26, 1088503), (31, 912938), (37, 764894), (62, 456469), (73, 387686), (74, 382447), (146, 193843), (169, 167462), (338, 83731), (403, 70226), (481, 58838), (806, 35113), (949, 29822), (962, 29419), (1147, 24674), (1898, 14911), (2263, 12506), (2294, 12337), (2701, 10478), (4526, 6253), (5239, 5402)]