28186884

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 84913920

約数和(自身を除く): 56727036

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 53, 66, 68, 79, 99, 102, 106, 132, 153, 158, 159, 187, 198, 204, 212, 237, 306, 316, 318, 374, 396, 474, 477, 561, 583, 612, 636, 711, 748, 869, 901, 948, 954, 1122, 1166, 1343, 1422, 1683, 1738, 1749, 1802, 1908, 2244, 2332, 2607, 2686, 2703, 2844, 3366, 3476, 3498, 3604, 4029, 4187, 5214, 5247, 5372, 5406, 6732, 6996, 7821, 8058, 8109, 8374, 9911, 10428, 10494, 10812, 12087, 12561, 14773, 15642, 16116, 16218, 16748, 19822, 20988, 24174, 25122, 29546, 29733, 31284, 32436, 37683, 39644, 44319, 46057, 48348, 50244, 59092, 59466, 71179, 75366, 88638, 89199, 92114, 118932, 132957, 138171, 142358, 150732, 177276, 178398, 184228, 213537, 265914, 276342, 284716, 356796, 414513, 427074, 531828, 552684, 640611, 782969, 829026, 854148, 1281222, 1565938, 1658052, 2348907, 2562444, 3131876, 4697814, 7046721, 9395628, 14093442, 28186884]

約数ペア:

[(1, 28186884), (2, 14093442), (3, 9395628), (4, 7046721), (6, 4697814), (9, 3131876), (11, 2562444), (12, 2348907), (17, 1658052), (18, 1565938), (22, 1281222), (33, 854148), (34, 829026), (36, 782969), (44, 640611), (51, 552684), (53, 531828), (66, 427074), (68, 414513), (79, 356796), (99, 284716), (102, 276342), (106, 265914), (132, 213537), (153, 184228), (158, 178398), (159, 177276), (187, 150732), (198, 142358), (204, 138171), (212, 132957), (237, 118932), (306, 92114), (316, 89199), (318, 88638), (374, 75366), (396, 71179), (474, 59466), (477, 59092), (561, 50244), (583, 48348), (612, 46057), (636, 44319), (711, 39644), (748, 37683), (869, 32436), (901, 31284), (948, 29733), (954, 29546), (1122, 25122), (1166, 24174), (1343, 20988), (1422, 19822), (1683, 16748), (1738, 16218), (1749, 16116), (1802, 15642), (1908, 14773), (2244, 12561), (2332, 12087), (2607, 10812), (2686, 10494), (2703, 10428), (2844, 9911), (3366, 8374), (3476, 8109), (3498, 8058), (3604, 7821), (4029, 6996), (4187, 6732), (5214, 5406), (5247, 5372)]