28909314

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 74025900

約数和(自身を除く): 45116586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 438, 441, 449, 511, 657, 882, 898, 1022, 1314, 1347, 1533, 2694, 3066, 3143, 3577, 4041, 4599, 6286, 7154, 8082, 9198, 9429, 10731, 18858, 21462, 22001, 28287, 32193, 32777, 44002, 56574, 64386, 65554, 66003, 98331, 132006, 196662, 198009, 229439, 294993, 396018, 458878, 589986, 688317, 1376634, 1606073, 2064951, 3212146, 4129902, 4818219, 9636438, 14454657, 28909314]

約数ペア:

[(1, 28909314), (2, 14454657), (3, 9636438), (6, 4818219), (7, 4129902), (9, 3212146), (14, 2064951), (18, 1606073), (21, 1376634), (42, 688317), (49, 589986), (63, 458878), (73, 396018), (98, 294993), (126, 229439), (146, 198009), (147, 196662), (219, 132006), (294, 98331), (438, 66003), (441, 65554), (449, 64386), (511, 56574), (657, 44002), (882, 32777), (898, 32193), (1022, 28287), (1314, 22001), (1347, 21462), (1533, 18858), (2694, 10731), (3066, 9429), (3143, 9198), (3577, 8082), (4041, 7154), (4599, 6286)]