298121978

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 72

約数和(自身を含む): 590954112

約数和(自身を除く): 292832134

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 121, 154, 217, 242, 341, 434, 539, 682, 811, 847, 1078, 1519, 1622, 1694, 2387, 3038, 3751, 4774, 5677, 5929, 7502, 8921, 11354, 11858, 16709, 17842, 25141, 26257, 33418, 39739, 50282, 52514, 62447, 79478, 98131, 124894, 175987, 183799, 196262, 276551, 351974, 367598, 437129, 553102, 686917, 874258, 1231909, 1373834, 1935857, 2463818, 3042061, 3871714, 4808419, 6084122, 9616838, 13550999, 21294427, 27101998, 42588854, 149060989, 298121978]

約数ペア:

[(1, 298121978), (2, 149060989), (7, 42588854), (11, 27101998), (14, 21294427), (22, 13550999), (31, 9616838), (49, 6084122), (62, 4808419), (77, 3871714), (98, 3042061), (121, 2463818), (154, 1935857), (217, 1373834), (242, 1231909), (341, 874258), (434, 686917), (539, 553102), (682, 437129), (811, 367598), (847, 351974), (1078, 276551), (1519, 196262), (1622, 183799), (1694, 175987), (2387, 124894), (3038, 98131), (3751, 79478), (4774, 62447), (5677, 52514), (5929, 50282), (7502, 39739), (8921, 33418), (11354, 26257), (11858, 25141), (16709, 17842)]