256565505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{17579}}^1$

素因数の和:17733

約数の個数: 32

約数和(自身を含む): 472550400

約数和(自身を除く): 215984895

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 2085, 2919, 4865, 14595, 17579, 52737, 87895, 123053, 263685, 369159, 615265, 1845795, 2443481, 7330443, 12217405, 17104367, 36652215, 51313101, 85521835, 256565505]

約数ペア:

[(1, 256565505), (3, 85521835), (5, 51313101), (7, 36652215), (15, 17104367), (21, 12217405), (35, 7330443), (105, 2443481), (139, 1845795), (417, 615265), (695, 369159), (973, 263685), (2085, 123053), (2919, 87895), (4865, 52737), (14595, 17579)]