7778828

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{5387}}^1$

素因数の和:5429

約数の個数: 18

約数和(自身を含む): 14369796

約数和(自身を除く): 6590968

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 5387, 10774, 21548, 102353, 204706, 409412, 1944707, 3889414, 7778828]

約数ペア:

[(1, 7778828), (2, 3889414), (4, 1944707), (19, 409412), (38, 204706), (76, 102353), (361, 21548), (722, 10774), (1444, 5387)]