78640268

素因数分解:

$2^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{4451}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 157565184

約数和(自身を除く): 78924916

約数列:

[1, 2, 4, 7, 14, 28, 631, 1262, 2524, 4417, 4451, 8834, 8902, 17668, 17804, 31157, 62314, 124628, 2808581, 5617162, 11234324, 19660067, 39320134, 78640268]

約数ペア:

[(1, 78640268), (2, 39320134), (4, 19660067), (7, 11234324), (14, 5617162), (28, 2808581), (631, 124628), (1262, 62314), (2524, 31157), (4417, 17804), (4451, 17668), (8834, 8902)]