28717794

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 79833600

約数和(自身を除く): 51115806

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 41, 42, 51, 54, 63, 82, 102, 109, 119, 123, 126, 153, 189, 218, 238, 246, 287, 306, 327, 357, 369, 378, 459, 574, 654, 697, 714, 738, 763, 861, 918, 981, 1071, 1107, 1394, 1526, 1722, 1853, 1962, 2091, 2142, 2214, 2289, 2583, 2943, 3213, 3706, 4182, 4469, 4578, 4879, 5166, 5559, 5886, 6273, 6426, 6867, 7749, 8938, 9758, 11118, 12546, 12971, 13407, 13734, 14637, 15498, 16677, 18819, 20601, 25942, 26814, 29274, 31283, 33354, 37638, 38913, 40221, 41202, 43911, 50031, 62566, 75973, 77826, 80442, 87822, 93849, 100062, 116739, 120663, 131733, 151946, 187698, 227919, 233478, 241326, 263466, 281547, 350217, 455838, 531811, 563094, 683757, 700434, 844641, 1063622, 1367514, 1595433, 1689282, 2051271, 3190866, 4102542, 4786299, 9572598, 14358897, 28717794]

約数ペア:

[(1, 28717794), (2, 14358897), (3, 9572598), (6, 4786299), (7, 4102542), (9, 3190866), (14, 2051271), (17, 1689282), (18, 1595433), (21, 1367514), (27, 1063622), (34, 844641), (41, 700434), (42, 683757), (51, 563094), (54, 531811), (63, 455838), (82, 350217), (102, 281547), (109, 263466), (119, 241326), (123, 233478), (126, 227919), (153, 187698), (189, 151946), (218, 131733), (238, 120663), (246, 116739), (287, 100062), (306, 93849), (327, 87822), (357, 80442), (369, 77826), (378, 75973), (459, 62566), (574, 50031), (654, 43911), (697, 41202), (714, 40221), (738, 38913), (763, 37638), (861, 33354), (918, 31283), (981, 29274), (1071, 26814), (1107, 25942), (1394, 20601), (1526, 18819), (1722, 16677), (1853, 15498), (1962, 14637), (2091, 13734), (2142, 13407), (2214, 12971), (2289, 12546), (2583, 11118), (2943, 9758), (3213, 8938), (3706, 7749), (4182, 6867), (4469, 6426), (4578, 6273), (4879, 5886), (5166, 5559)]