208248964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 470292480

約数和(自身を除く): 262043516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 89, 107, 142, 154, 178, 214, 284, 308, 356, 428, 497, 623, 749, 781, 979, 994, 1177, 1246, 1498, 1562, 1958, 1988, 2354, 2492, 2996, 3124, 3916, 4708, 5467, 6319, 6853, 7597, 8239, 9523, 10934, 12638, 13706, 15194, 16478, 19046, 21868, 25276, 27412, 30388, 32956, 38092, 44233, 53179, 66661, 69509, 83567, 88466, 104753, 106358, 133322, 139018, 167134, 176932, 209506, 212716, 266644, 278036, 334268, 419012, 486563, 584969, 676133, 733271, 973126, 1169938, 1352266, 1466542, 1946252, 2339876, 2704532, 2933084, 4732931, 7437463, 9465862, 14874926, 18931724, 29749852, 52062241, 104124482, 208248964]

約数ペア:

[(1, 208248964), (2, 104124482), (4, 52062241), (7, 29749852), (11, 18931724), (14, 14874926), (22, 9465862), (28, 7437463), (44, 4732931), (71, 2933084), (77, 2704532), (89, 2339876), (107, 1946252), (142, 1466542), (154, 1352266), (178, 1169938), (214, 973126), (284, 733271), (308, 676133), (356, 584969), (428, 486563), (497, 419012), (623, 334268), (749, 278036), (781, 266644), (979, 212716), (994, 209506), (1177, 176932), (1246, 167134), (1498, 139018), (1562, 133322), (1958, 106358), (1988, 104753), (2354, 88466), (2492, 83567), (2996, 69509), (3124, 66661), (3916, 53179), (4708, 44233), (5467, 38092), (6319, 32956), (6853, 30388), (7597, 27412), (8239, 25276), (9523, 21868), (10934, 19046), (12638, 16478), (13706, 15194)]