256218985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3079}}^1$

素因数の和:3201

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 103032215

約数列:

[1, 5, 11, 17, 55, 85, 89, 187, 445, 935, 979, 1513, 3079, 4895, 7565, 15395, 16643, 33869, 52343, 83215, 169345, 261715, 274031, 575773, 1370155, 2878865, 3014341, 4658527, 15071705, 23292635, 51243797, 256218985]

約数ペア:

[(1, 256218985), (5, 51243797), (11, 23292635), (17, 15071705), (55, 4658527), (85, 3014341), (89, 2878865), (187, 1370155), (445, 575773), (935, 274031), (979, 261715), (1513, 169345), (3079, 83215), (4895, 52343), (7565, 33869), (15395, 16643)]