164358255

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 283143168

約数和(自身を除く): 118784913

約数列:

[1, 3, 5, 15, 37, 43, 71, 97, 111, 129, 185, 213, 215, 291, 355, 485, 555, 645, 1065, 1455, 1591, 2627, 3053, 3589, 4171, 4773, 6887, 7881, 7955, 9159, 10767, 12513, 13135, 15265, 17945, 20661, 20855, 23865, 34435, 39405, 45795, 53835, 62565, 103305, 112961, 154327, 254819, 296141, 338883, 462981, 564805, 764457, 771635, 888423, 1274095, 1480705, 1694415, 2314905, 3822285, 4442115, 10957217, 32871651, 54786085, 164358255]

約数ペア:

[(1, 164358255), (3, 54786085), (5, 32871651), (15, 10957217), (37, 4442115), (43, 3822285), (71, 2314905), (97, 1694415), (111, 1480705), (129, 1274095), (185, 888423), (213, 771635), (215, 764457), (291, 564805), (355, 462981), (485, 338883), (555, 296141), (645, 254819), (1065, 154327), (1455, 112961), (1591, 103305), (2627, 62565), (3053, 53835), (3589, 45795), (4171, 39405), (4773, 34435), (6887, 23865), (7881, 20855), (7955, 20661), (9159, 17945), (10767, 15265), (12513, 13135)]