198963611

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 278691840

約数和(自身を除く): 79728229

約数列:

[1, 7, 11, 19, 31, 41, 77, 107, 133, 209, 217, 287, 341, 451, 589, 749, 779, 1177, 1271, 1463, 2033, 2387, 3157, 3317, 4123, 4387, 5453, 6479, 8239, 8569, 8897, 13981, 14231, 22363, 23219, 24149, 30709, 36487, 45353, 48257, 59983, 63023, 83353, 97867, 135997, 156541, 169043, 255409, 265639, 337799, 441161, 583471, 693253, 916883, 951979, 1495967, 1859473, 2583943, 4852771, 6418181, 10471769, 18087601, 28423373, 198963611]

約数ペア:

[(1, 198963611), (7, 28423373), (11, 18087601), (19, 10471769), (31, 6418181), (41, 4852771), (77, 2583943), (107, 1859473), (133, 1495967), (209, 951979), (217, 916883), (287, 693253), (341, 583471), (451, 441161), (589, 337799), (749, 265639), (779, 255409), (1177, 169043), (1271, 156541), (1463, 135997), (2033, 97867), (2387, 83353), (3157, 63023), (3317, 59983), (4123, 48257), (4387, 45353), (5453, 36487), (6479, 30709), (8239, 24149), (8569, 23219), (8897, 22363), (13981, 14231)]