78810638

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:1147

約数の個数: 16

約数和(自身を含む): 119379744

約数和(自身を除く): 40569106

約数列:

[1, 2, 197, 317, 394, 631, 634, 1262, 62449, 124307, 124898, 200027, 248614, 400054, 39405319, 78810638]

約数ペア:

[(1, 78810638), (2, 39405319), (197, 400054), (317, 248614), (394, 200027), (631, 124898), (634, 124307), (1262, 62449)]