78317350

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{7951}}^1$

素因数の和:8160

約数の個数: 24

約数和(自身を含む): 146428128

約数和(自身を除く): 68110778

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 7951, 9850, 15902, 39755, 79510, 198775, 397550, 1566347, 3132694, 7831735, 15663470, 39158675, 78317350]

約数ペア:

[(1, 78317350), (2, 39158675), (5, 15663470), (10, 7831735), (25, 3132694), (50, 1566347), (197, 397550), (394, 198775), (985, 79510), (1970, 39755), (4925, 15902), (7951, 9850)]