213613904

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{4903}}^1$

素因数の和:5307

約数の個数: 40

約数和(自身を含む): 474314880

約数和(自身を除く): 260700976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 778, 1556, 2723, 3112, 4903, 5446, 6224, 9806, 10892, 19612, 21784, 34321, 39224, 43568, 68642, 78448, 137284, 274568, 549136, 1907267, 3814534, 7629068, 13350869, 15258136, 26701738, 30516272, 53403476, 106806952, 213613904]

約数ペア:

[(1, 213613904), (2, 106806952), (4, 53403476), (7, 30516272), (8, 26701738), (14, 15258136), (16, 13350869), (28, 7629068), (56, 3814534), (112, 1907267), (389, 549136), (778, 274568), (1556, 137284), (2723, 78448), (3112, 68642), (4903, 43568), (5446, 39224), (6224, 34321), (9806, 21784), (10892, 19612)]