78966658

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:418

約数の個数: 24

約数和(自身を含む): 123185664

約数和(自身を除く): 44219006

約数列:

[1, 2, 37, 74, 151, 191, 302, 382, 1369, 2738, 5587, 7067, 11174, 14134, 28841, 57682, 206719, 261479, 413438, 522958, 1067117, 2134234, 39483329, 78966658]

約数ペア:

[(1, 78966658), (2, 39483329), (37, 2134234), (74, 1067117), (151, 522958), (191, 413438), (302, 261479), (382, 206719), (1369, 57682), (2738, 28841), (5587, 14134), (7067, 11174)]