211107974

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:994

約数の個数: 72

約数和(自身を含む): 426658680

約数和(自身を除く): 215550706

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 121, 133, 154, 209, 242, 266, 418, 539, 847, 931, 937, 1078, 1463, 1694, 1862, 1874, 2299, 2926, 4598, 5929, 6559, 10241, 10307, 11858, 13118, 16093, 17803, 20482, 20614, 32186, 35606, 45913, 72149, 91826, 112651, 113377, 124621, 144298, 195833, 225302, 226754, 249242, 391666, 505043, 793639, 872347, 1010086, 1370831, 1587278, 1744694, 2154163, 2741662, 4308326, 5555473, 9595817, 11110946, 15079141, 19191634, 30158282, 105553987, 211107974]

約数ペア:

[(1, 211107974), (2, 105553987), (7, 30158282), (11, 19191634), (14, 15079141), (19, 11110946), (22, 9595817), (38, 5555473), (49, 4308326), (77, 2741662), (98, 2154163), (121, 1744694), (133, 1587278), (154, 1370831), (209, 1010086), (242, 872347), (266, 793639), (418, 505043), (539, 391666), (847, 249242), (931, 226754), (937, 225302), (1078, 195833), (1463, 144298), (1694, 124621), (1862, 113377), (1874, 112651), (2299, 91826), (2926, 72149), (4598, 45913), (5929, 35606), (6559, 32186), (10241, 20614), (10307, 20482), (11858, 17803), (13118, 16093)]