28765428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 73749312

約数和(自身を除く): 44983884

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 103, 111, 148, 204, 206, 222, 309, 412, 444, 618, 629, 1236, 1258, 1369, 1751, 1887, 2516, 2738, 3502, 3774, 3811, 4107, 5253, 5476, 7004, 7548, 7622, 8214, 10506, 11433, 15244, 16428, 21012, 22866, 23273, 45732, 46546, 64787, 69819, 93092, 129574, 139638, 141007, 194361, 259148, 279276, 282014, 388722, 423021, 564028, 777444, 846042, 1692084, 2397119, 4794238, 7191357, 9588476, 14382714, 28765428]

約数ペア:

[(1, 28765428), (2, 14382714), (3, 9588476), (4, 7191357), (6, 4794238), (12, 2397119), (17, 1692084), (34, 846042), (37, 777444), (51, 564028), (68, 423021), (74, 388722), (102, 282014), (103, 279276), (111, 259148), (148, 194361), (204, 141007), (206, 139638), (222, 129574), (309, 93092), (412, 69819), (444, 64787), (618, 46546), (629, 45732), (1236, 23273), (1258, 22866), (1369, 21012), (1751, 16428), (1887, 15244), (2516, 11433), (2738, 10506), (3502, 8214), (3774, 7622), (3811, 7548), (4107, 7004), (5253, 5476)]