66811376

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{78787}}^1$

素因数の和:78848

約数の個数: 20

約数和(自身を含む): 131891112

約数和(自身を除く): 65079736

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 78787, 157574, 315148, 630296, 1260592, 4175711, 8351422, 16702844, 33405688, 66811376]

約数ペア:

[(1, 66811376), (2, 33405688), (4, 16702844), (8, 8351422), (16, 4175711), (53, 1260592), (106, 630296), (212, 315148), (424, 157574), (848, 78787)]