28725444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 108

約数和(自身を含む): 84481488

約数和(自身を除く): 55756044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 251, 289, 306, 374, 396, 502, 561, 578, 612, 748, 753, 867, 1004, 1122, 1156, 1506, 1683, 1734, 2244, 2259, 2601, 2761, 3012, 3179, 3366, 3468, 4267, 4518, 5202, 5522, 6358, 6732, 8283, 8534, 9036, 9537, 10404, 11044, 12716, 12801, 16566, 17068, 19074, 24849, 25602, 28611, 33132, 38148, 38403, 46937, 49698, 51204, 57222, 72539, 76806, 93874, 99396, 114444, 140811, 145078, 153612, 187748, 217617, 281622, 290156, 422433, 435234, 563244, 652851, 797929, 844866, 870468, 1305702, 1595858, 1689732, 2393787, 2611404, 3191716, 4787574, 7181361, 9575148, 14362722, 28725444]

約数ペア:

[(1, 28725444), (2, 14362722), (3, 9575148), (4, 7181361), (6, 4787574), (9, 3191716), (11, 2611404), (12, 2393787), (17, 1689732), (18, 1595858), (22, 1305702), (33, 870468), (34, 844866), (36, 797929), (44, 652851), (51, 563244), (66, 435234), (68, 422433), (99, 290156), (102, 281622), (132, 217617), (153, 187748), (187, 153612), (198, 145078), (204, 140811), (251, 114444), (289, 99396), (306, 93874), (374, 76806), (396, 72539), (502, 57222), (561, 51204), (578, 49698), (612, 46937), (748, 38403), (753, 38148), (867, 33132), (1004, 28611), (1122, 25602), (1156, 24849), (1506, 19074), (1683, 17068), (1734, 16566), (2244, 12801), (2259, 12716), (2601, 11044), (2761, 10404), (3012, 9537), (3179, 9036), (3366, 8534), (3468, 8283), (4267, 6732), (4518, 6358), (5202, 5522)]