856190426

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 1763328000

約数和(自身を除く): 907137574

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 49, 62, 91, 98, 133, 163, 182, 217, 247, 266, 326, 343, 403, 434, 494, 589, 637, 686, 806, 931, 1141, 1178, 1274, 1519, 1729, 1862, 2119, 2282, 2821, 3038, 3097, 3458, 4123, 4238, 4459, 5053, 5642, 6194, 6517, 7657, 7987, 8246, 8918, 10106, 10633, 12103, 13034, 14833, 15314, 15974, 19747, 21266, 21679, 24206, 28861, 29666, 35371, 39494, 40261, 43358, 53599, 55909, 57722, 65689, 70742, 80522, 84721, 96007, 103831, 107198, 111818, 131378, 138229, 151753, 169442, 192014, 202027, 207662, 247597, 276458, 281827, 303506, 375193, 404054, 459823, 495194, 563654, 672049, 726817, 750386, 919646, 1062271, 1248091, 1344098, 1453634, 1733179, 1972789, 2124542, 2496182, 2626351, 3218761, 3466358, 3945578, 4704343, 5252702, 6437522, 8736637, 9408686, 13809523, 17473274, 22531327, 27619046, 32930401, 45062654, 61156459, 65860802, 122312918, 428095213, 856190426]

約数ペア:

[(1, 856190426), (2, 428095213), (7, 122312918), (13, 65860802), (14, 61156459), (19, 45062654), (26, 32930401), (31, 27619046), (38, 22531327), (49, 17473274), (62, 13809523), (91, 9408686), (98, 8736637), (133, 6437522), (163, 5252702), (182, 4704343), (217, 3945578), (247, 3466358), (266, 3218761), (326, 2626351), (343, 2496182), (403, 2124542), (434, 1972789), (494, 1733179), (589, 1453634), (637, 1344098), (686, 1248091), (806, 1062271), (931, 919646), (1141, 750386), (1178, 726817), (1274, 672049), (1519, 563654), (1729, 495194), (1862, 459823), (2119, 404054), (2282, 375193), (2821, 303506), (3038, 281827), (3097, 276458), (3458, 247597), (4123, 207662), (4238, 202027), (4459, 192014), (5053, 169442), (5642, 151753), (6194, 138229), (6517, 131378), (7657, 111818), (7987, 107198), (8246, 103831), (8918, 96007), (10106, 84721), (10633, 80522), (12103, 70742), (13034, 65689), (14833, 57722), (15314, 55909), (15974, 53599), (19747, 43358), (21266, 40261), (21679, 39494), (24206, 35371), (28861, 29666)]