281805986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 575413632

約数和(自身を除く): 293607646

約数列:

[1, 2, 7, 11, 14, 19, 22, 37, 38, 74, 77, 133, 137, 154, 209, 259, 266, 274, 361, 407, 418, 518, 703, 722, 814, 959, 1406, 1463, 1507, 1918, 2527, 2603, 2849, 2926, 3014, 3971, 4921, 5054, 5069, 5206, 5698, 7733, 7942, 9842, 10138, 10549, 13357, 15466, 18221, 21098, 26714, 27797, 28633, 35483, 36442, 49457, 54131, 55594, 55759, 57266, 70966, 93499, 96311, 98914, 108262, 111518, 146927, 186998, 192622, 200431, 293854, 346199, 390313, 400862, 544027, 674177, 692398, 780626, 1028489, 1059421, 1088054, 1348354, 1829909, 2056978, 2118842, 3659818, 3808189, 7415947, 7616378, 12809363, 14831894, 20128999, 25618726, 40257998, 140902993, 281805986]

約数ペア:

[(1, 281805986), (2, 140902993), (7, 40257998), (11, 25618726), (14, 20128999), (19, 14831894), (22, 12809363), (37, 7616378), (38, 7415947), (74, 3808189), (77, 3659818), (133, 2118842), (137, 2056978), (154, 1829909), (209, 1348354), (259, 1088054), (266, 1059421), (274, 1028489), (361, 780626), (407, 692398), (418, 674177), (518, 544027), (703, 400862), (722, 390313), (814, 346199), (959, 293854), (1406, 200431), (1463, 192622), (1507, 186998), (1918, 146927), (2527, 111518), (2603, 108262), (2849, 98914), (2926, 96311), (3014, 93499), (3971, 70966), (4921, 57266), (5054, 55759), (5069, 55594), (5206, 54131), (5698, 49457), (7733, 36442), (7942, 35483), (9842, 28633), (10138, 27797), (10549, 26714), (13357, 21098), (15466, 18221)]