287399190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{736921}}^1$

素因数の和:736944

約数の個数: 32

約数和(自身を含む): 742817376

約数和(自身を除く): 455418186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 736921, 1473842, 2210763, 3684605, 4421526, 7369210, 9579973, 11053815, 19159946, 22107630, 28739919, 47899865, 57479838, 95799730, 143699595, 287399190]

約数ペア:

[(1, 287399190), (2, 143699595), (3, 95799730), (5, 57479838), (6, 47899865), (10, 28739919), (13, 22107630), (15, 19159946), (26, 11053815), (30, 9579973), (39, 7369210), (65, 4421526), (78, 3684605), (130, 2210763), (195, 1473842), (390, 736921)]