78820516

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 139902840

約数和(自身を除く): 61082324

約数列:

[1, 2, 4, 109, 218, 293, 436, 586, 617, 1172, 1234, 2468, 31937, 63874, 67253, 127748, 134506, 180781, 269012, 361562, 723124, 19705129, 39410258, 78820516]

約数ペア:

[(1, 78820516), (2, 39410258), (4, 19705129), (109, 723124), (218, 361562), (293, 269012), (436, 180781), (586, 134506), (617, 127748), (1172, 67253), (1234, 63874), (2468, 31937)]