2987810287

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 4191989760

約数和(自身を除く): 1204179473

約数列:

[1, 7, 11, 19, 31, 53, 77, 113, 121, 133, 209, 217, 341, 371, 583, 589, 791, 847, 1007, 1243, 1463, 1643, 2147, 2299, 2387, 3503, 3751, 4081, 4123, 5989, 6413, 6479, 7049, 8701, 11077, 11501, 13673, 15029, 16093, 18073, 23617, 24521, 26257, 31217, 38533, 41923, 44891, 45353, 65879, 66557, 71269, 77539, 95711, 113791, 121847, 126511, 165319, 185659, 198803, 218519, 259787, 269731, 343387, 423863, 461153, 465899, 498883, 724669, 732127, 796537, 852929, 1251701, 1299613, 1391621, 1818509, 2042249, 2403709, 2967041, 3527521, 3777257, 5072683, 5124889, 8053397, 8761907, 13768711, 14295743, 22464739, 24692647, 26440799, 38802731, 56373779, 96380977, 157253173, 271619117, 426830041, 2987810287]

約数ペア:

[(1, 2987810287), (7, 426830041), (11, 271619117), (19, 157253173), (31, 96380977), (53, 56373779), (77, 38802731), (113, 26440799), (121, 24692647), (133, 22464739), (209, 14295743), (217, 13768711), (341, 8761907), (371, 8053397), (583, 5124889), (589, 5072683), (791, 3777257), (847, 3527521), (1007, 2967041), (1243, 2403709), (1463, 2042249), (1643, 1818509), (2147, 1391621), (2299, 1299613), (2387, 1251701), (3503, 852929), (3751, 796537), (4081, 732127), (4123, 724669), (5989, 498883), (6413, 465899), (6479, 461153), (7049, 423863), (8701, 343387), (11077, 269731), (11501, 259787), (13673, 218519), (15029, 198803), (16093, 185659), (18073, 165319), (23617, 126511), (24521, 121847), (26257, 113791), (31217, 95711), (38533, 77539), (41923, 71269), (44891, 66557), (45353, 65879)]