1287492756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 144

約数和(自身を含む): 3580581312

約数和(自身を除く): 2293088556

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 43, 44, 51, 66, 68, 86, 102, 121, 129, 132, 172, 187, 204, 242, 258, 363, 374, 473, 484, 516, 561, 726, 731, 748, 946, 1122, 1213, 1419, 1452, 1462, 1892, 2057, 2193, 2244, 2426, 2838, 2924, 3639, 4114, 4386, 4852, 5203, 5676, 6171, 7278, 8041, 8228, 8772, 10406, 12342, 13343, 14556, 15609, 16082, 20621, 20812, 24123, 24684, 26686, 31218, 32164, 40029, 41242, 48246, 52159, 53372, 61863, 62436, 80058, 82484, 88451, 96492, 104318, 123726, 146773, 156477, 160116, 176902, 208636, 226831, 247452, 265353, 293546, 312954, 353804, 440319, 453662, 530706, 573749, 587092, 625908, 680493, 880638, 886703, 907324, 1061412, 1147498, 1360986, 1721247, 1761276, 1773406, 2294996, 2495141, 2660109, 2721972, 3442494, 3546812, 4990282, 5320218, 6311239, 6884988, 7485423, 9753733, 9980564, 10640436, 12622478, 14970846, 18933717, 19507466, 25244956, 29261199, 29941692, 37867434, 39014932, 58522398, 75734868, 107291063, 117044796, 214582126, 321873189, 429164252, 643746378, 1287492756]

約数ペア:

[(1, 1287492756), (2, 643746378), (3, 429164252), (4, 321873189), (6, 214582126), (11, 117044796), (12, 107291063), (17, 75734868), (22, 58522398), (33, 39014932), (34, 37867434), (43, 29941692), (44, 29261199), (51, 25244956), (66, 19507466), (68, 18933717), (86, 14970846), (102, 12622478), (121, 10640436), (129, 9980564), (132, 9753733), (172, 7485423), (187, 6884988), (204, 6311239), (242, 5320218), (258, 4990282), (363, 3546812), (374, 3442494), (473, 2721972), (484, 2660109), (516, 2495141), (561, 2294996), (726, 1773406), (731, 1761276), (748, 1721247), (946, 1360986), (1122, 1147498), (1213, 1061412), (1419, 907324), (1452, 886703), (1462, 880638), (1892, 680493), (2057, 625908), (2193, 587092), (2244, 573749), (2426, 530706), (2838, 453662), (2924, 440319), (3639, 353804), (4114, 312954), (4386, 293546), (4852, 265353), (5203, 247452), (5676, 226831), (6171, 208636), (7278, 176902), (8041, 160116), (8228, 156477), (8772, 146773), (10406, 123726), (12342, 104318), (13343, 96492), (14556, 88451), (15609, 82484), (16082, 80058), (20621, 62436), (20812, 61863), (24123, 53372), (24684, 52159), (26686, 48246), (31218, 41242), (32164, 40029)]