13781492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 25651080

約数和(自身を除く): 11869588

約数列:

[1, 2, 4, 17, 34, 68, 389, 521, 778, 1042, 1556, 2084, 6613, 8857, 13226, 17714, 26452, 35428, 202669, 405338, 810676, 3445373, 6890746, 13781492]

約数ペア:

[(1, 13781492), (2, 6890746), (4, 3445373), (17, 810676), (34, 405338), (68, 202669), (389, 35428), (521, 26452), (778, 17714), (1042, 13226), (1556, 8857), (2084, 6613)]